3851 (株)日本一ソフトウェア の時系列データ [2008年度]
日付 | 始値 | 高値 | 安値 | 終値 | 出来高 | 調整後終値 |
---|---|---|---|---|---|---|
2008-12-30 | 52,600 | 52,600 | 52,100 | 52,600 | 5 | 263 |
2008-12-29 | 54,300 | 54,800 | 54,100 | 54,400 | 9 | 272 |
2008-12-26 | 54,300 | 55,000 | 54,100 | 54,100 | 7 | 270.50 |
2008-12-25 | 54,000 | 55,000 | 54,000 | 54,000 | 9 | 270 |
2008-12-24 | 55,000 | 55,000 | 54,600 | 55,000 | 6 | 275 |
2008-12-22 | 57,000 | 57,000 | 56,000 | 56,000 | 6 | 280 |
2008-12-19 | 57,200 | 57,300 | 57,000 | 57,000 | 12 | 285 |
2008-12-18 | 57,000 | 58,300 | 57,000 | 58,100 | 13 | 290.50 |
2008-12-17 | 58,000 | 58,000 | 57,000 | 57,000 | 13 | 285 |
2008-12-16 | 57,000 | 59,000 | 57,000 | 58,000 | 46 | 290 |
2008-12-15 | 56,000 | 57,900 | 56,000 | 56,500 | 44 | 282.50 |
2008-12-12 | 55,000 | 57,000 | 54,800 | 55,000 | 23 | 275 |
2008-12-11 | 56,100 | 56,100 | 55,000 | 55,000 | 26 | 275 |
2008-12-10 | 56,100 | 57,400 | 56,100 | 57,400 | 18 | 287 |
2008-12-09 | 57,000 | 57,000 | 55,600 | 55,600 | 24 | 278 |
2008-12-08 | 55,500 | 60,000 | 55,000 | 58,500 | 64 | 292.50 |
2008-12-05 | 56,000 | 57,000 | 56,000 | 57,000 | 58 | 285 |
2008-12-04 | 55,000 | 55,000 | 54,000 | 54,000 | 15 | 270 |
2008-12-03 | 51,500 | 55,100 | 51,500 | 55,100 | 14 | 275.50 |
2008-12-02 | 52,500 | 52,500 | 51,800 | 52,000 | 13 | 260 |
2008-12-01 | 55,000 | 56,000 | 55,000 | 56,000 | 4 | 280 |
2008-11-28 | 55,000 | 56,500 | 55,000 | 55,100 | 15 | 275.50 |
2008-11-27 | 57,900 | 57,900 | 55,500 | 55,500 | 15 | 277.50 |
2008-11-26 | 57,400 | 57,900 | 56,500 | 57,800 | 20 | 289 |
2008-11-25 | 56,400 | 56,500 | 54,100 | 55,000 | 76 | 275 |
2008-11-21 | 48,950 | 52,900 | 48,950 | 52,900 | 10 | 264.50 |
2008-11-20 | 54,800 | 54,800 | 50,200 | 50,200 | 74 | 251 |
2008-11-19 | 59,700 | 59,700 | 55,100 | 55,100 | 35 | 275.50 |
2008-11-18 | 62,000 | 62,000 | 58,000 | 59,200 | 18 | 296 |
2008-11-17 | 57,800 | 62,000 | 54,400 | 62,000 | 48 | 310 |
2008-11-14 | 65,300 | 67,000 | 58,800 | 58,800 | 169 | 294 |
2008-11-13 | 57,500 | 66,500 | 56,700 | 63,800 | 375 | 319 |
2008-11-12 | 56,500 | 56,500 | 56,500 | 56,500 | 45 | 282.50 |
2008-11-11 | 51,500 | 51,500 | 51,500 | 51,500 | 5 | 257.50 |
2008-11-10 | 47,500 | 47,500 | 47,500 | 47,500 | 3 | 237.50 |
2008-11-07 | 42,200 | 45,500 | 42,200 | 43,500 | 30 | 217.50 |
2008-11-06 | 48,100 | 48,100 | 43,000 | 44,200 | 69 | 221 |
2008-11-05 | 42,100 | 45,300 | 42,100 | 45,300 | 108 | 226.50 |
2008-11-04 | 39,200 | 41,300 | 39,200 | 41,300 | 12 | 206.50 |
2008-10-31 | 38,550 | 41,500 | 38,550 | 41,300 | 7 | 206.50 |
2008-10-30 | 38,050 | 39,000 | 37,200 | 38,200 | 24 | 191 |
2008-10-29 | 40,900 | 41,800 | 38,000 | 38,000 | 34 | 190 |
2008-10-28 | 36,100 | 39,000 | 36,100 | 39,000 | 22 | 195 |
2008-10-27 | 38,000 | 38,500 | 38,000 | 38,100 | 16 | 190.50 |
2008-10-24 | 38,200 | 38,200 | 37,000 | 37,000 | 13 | 185 |
2008-10-23 | 40,050 | 40,050 | 37,050 | 37,850 | 22 | 189.25 |
2008-10-22 | 45,000 | 45,600 | 41,000 | 41,000 | 76 | 205 |
2008-10-21 | 41,800 | 43,800 | 41,000 | 43,800 | 59 | 219 |
2008-10-20 | 37,000 | 39,800 | 36,500 | 39,800 | 25 | 199 |
2008-10-17 | 37,000 | 37,000 | 35,700 | 35,800 | 12 | 179 |
2008-10-16 | 37,100 | 38,000 | 37,000 | 37,000 | 35 | 185 |
2008-10-15 | 41,800 | 41,800 | 39,750 | 41,000 | 18 | 205 |
2008-10-14 | 39,800 | 41,000 | 39,800 | 41,000 | 73 | 205 |
2008-10-10 | 34,200 | 37,000 | 34,200 | 37,000 | 23 | 185 |
2008-10-09 | 34,000 | 39,500 | 34,000 | 37,800 | 25 | 189 |
2008-10-08 | 36,000 | 36,000 | 36,000 | 36,000 | 45 | 180 |
2008-10-07 | 40,000 | 41,000 | 40,000 | 40,000 | 42 | 200 |
2008-10-06 | 44,450 | 45,500 | 44,000 | 44,000 | 109 | 220 |
2008-10-03 | 48,100 | 48,500 | 47,250 | 48,000 | 99 | 240 |
2008-10-02 | 54,000 | 54,000 | 50,000 | 51,000 | 42 | 255 |
2008-10-01 | 55,000 | 55,000 | 54,000 | 54,000 | 7 | 270 |
2008-09-30 | 54,000 | 55,500 | 53,900 | 55,000 | 36 | 275 |
2008-09-29 | 59,600 | 59,600 | 57,000 | 57,500 | 35 | 287.50 |
2008-09-26 | 58,500 | 60,800 | 57,600 | 58,500 | 38 | 292.50 |
2008-09-25 | 58,300 | 58,300 | 57,300 | 57,500 | 9 | 287.50 |
2008-09-24 | 57,700 | 57,700 | 56,400 | 56,800 | 12 | 284 |
2008-09-22 | 62,700 | 63,200 | 58,300 | 58,300 | 46 | 291.50 |
2008-09-19 | 58,500 | 60,700 | 58,100 | 60,700 | 89 | 303.50 |
2008-09-18 | 56,100 | 57,000 | 56,100 | 56,200 | 15 | 281 |
2008-09-17 | 55,000 | 58,000 | 53,000 | 58,000 | 45 | 290 |
2008-09-16 | 54,500 | 57,000 | 54,000 | 54,500 | 65 | 272.50 |
2008-09-12 | 60,100 | 60,100 | 58,000 | 58,000 | 36 | 290 |
2008-09-11 | 57,200 | 60,500 | 57,200 | 59,900 | 41 | 299.50 |
2008-09-10 | 57,100 | 57,400 | 57,000 | 57,100 | 21 | 285.50 |
2008-09-09 | 57,900 | 58,000 | 57,200 | 58,000 | 18 | 290 |
2008-09-08 | 57,500 | 60,500 | 57,500 | 58,000 | 41 | 290 |
2008-09-05 | 56,500 | 58,100 | 56,500 | 58,000 | 40 | 290 |
2008-09-04 | 63,600 | 63,600 | 60,200 | 61,000 | 64 | 305 |
2008-09-03 | 69,200 | 69,300 | 65,100 | 65,100 | 28 | 325.50 |
2008-09-02 | 73,000 | 73,000 | 69,100 | 69,100 | 30 | 345.50 |
2008-09-01 | 74,600 | 74,600 | 72,100 | 72,800 | 14 | 364 |
2008-08-29 | 74,000 | 74,000 | 71,600 | 73,600 | 37 | 368 |
2008-08-28 | 76,000 | 77,900 | 73,600 | 73,700 | 67 | 368.50 |
2008-08-27 | 70,000 | 74,600 | 70,000 | 74,600 | 68 | 373 |
2008-08-26 | 71,800 | 72,000 | 68,500 | 69,600 | 43 | 348 |
2008-08-25 | 68,600 | 73,000 | 68,600 | 72,800 | 51 | 364 |
2008-08-22 | 66,500 | 69,900 | 65,500 | 68,100 | 77 | 340.50 |
2008-08-21 | 65,200 | 66,000 | 64,000 | 66,000 | 53 | 330 |
2008-08-20 | 62,500 | 66,700 | 62,500 | 66,000 | 38 | 330 |
2008-08-19 | 65,000 | 65,000 | 63,100 | 64,000 | 26 | 320 |
2008-08-18 | 67,100 | 67,100 | 64,000 | 66,800 | 28 | 334 |
2008-08-15 | 71,200 | 71,500 | 66,600 | 67,000 | 30 | 335 |
2008-08-14 | 70,000 | 71,400 | 69,400 | 71,400 | 37 | 357 |
2008-08-13 | 74,900 | 74,900 | 69,400 | 73,000 | 68 | 365 |
2008-08-12 | 76,000 | 79,500 | 72,000 | 75,000 | 116 | 375 |
2008-08-11 | 75,900 | 77,500 | 75,900 | 77,400 | 189 | 387 |
2008-08-08 | 84,000 | 84,000 | 79,900 | 82,000 | 73 | 410 |
2008-08-07 | 89,300 | 89,400 | 85,500 | 86,000 | 74 | 430 |
2008-08-06 | 92,500 | 94,600 | 89,800 | 90,300 | 134 | 451.50 |
2008-08-05 | 97,400 | 97,500 | 91,400 | 91,500 | 102 | 457.50 |
2008-08-04 | 103,100 | 103,100 | 97,500 | 98,500 | 61 | 492.50 |
2008-08-01 | 108,000 | 108,100 | 104,000 | 104,000 | 60 | 520 |
2008-07-31 | 110,700 | 110,800 | 109,000 | 109,000 | 21 | 545 |
2008-07-30 | 110,500 | 111,000 | 110,000 | 111,000 | 18 | 555 |
2008-07-29 | 110,000 | 110,000 | 108,300 | 109,000 | 45 | 545 |
2008-07-28 | 112,000 | 113,000 | 111,100 | 111,100 | 28 | 555.50 |
2008-07-25 | 110,100 | 111,200 | 109,100 | 110,000 | 33 | 550 |
2008-07-24 | 111,000 | 114,000 | 111,000 | 113,300 | 52 | 566.50 |
2008-07-23 | 109,500 | 112,000 | 109,000 | 110,100 | 48 | 550.50 |
2008-07-22 | 110,000 | 111,400 | 109,100 | 110,000 | 36 | 550 |
2008-07-18 | 118,000 | 118,000 | 110,000 | 111,000 | 135 | 555 |
2008-07-17 | 123,000 | 123,000 | 115,000 | 117,000 | 160 | 585 |
2008-07-16 | 112,000 | 121,000 | 112,000 | 120,000 | 162 | 600 |
2008-07-15 | 114,000 | 114,000 | 110,000 | 112,000 | 48 | 560 |
2008-07-14 | 110,000 | 119,000 | 109,000 | 116,000 | 146 | 580 |
2008-07-11 | 113,000 | 113,000 | 108,000 | 109,000 | 71 | 545 |
2008-07-10 | 109,000 | 112,000 | 108,000 | 112,000 | 57 | 560 |
2008-07-09 | 112,000 | 114,000 | 109,000 | 110,000 | 81 | 550 |
2008-07-08 | 115,000 | 117,000 | 109,000 | 111,000 | 101 | 555 |
2008-07-07 | 117,000 | 118,000 | 115,000 | 117,000 | 58 | 585 |
2008-07-04 | 126,000 | 127,000 | 118,000 | 119,000 | 117 | 595 |
2008-07-03 | 130,000 | 130,000 | 123,000 | 125,000 | 182 | 625 |
2008-07-02 | 124,000 | 139,000 | 122,000 | 132,000 | 1,118 | 660 |
2008-07-01 | 108,000 | 125,000 | 108,000 | 120,000 | 229 | 600 |
2008-06-30 | 109,000 | 110,000 | 106,000 | 109,000 | 47 | 545 |
2008-06-27 | 109,000 | 112,000 | 109,000 | 112,000 | 42 | 560 |
2008-06-26 | 112,000 | 116,000 | 111,000 | 115,000 | 83 | 575 |
2008-06-25 | 119,000 | 120,000 | 112,000 | 114,000 | 85 | 570 |
2008-06-24 | 122,000 | 124,000 | 119,000 | 120,000 | 32 | 600 |
2008-06-23 | 120,000 | 123,000 | 119,000 | 122,000 | 29 | 610 |
2008-06-20 | 128,000 | 128,000 | 121,000 | 125,000 | 33 | 625 |
2008-06-19 | 132,000 | 132,000 | 126,000 | 126,000 | 52 | 630 |
2008-06-18 | 126,000 | 134,000 | 126,000 | 132,000 | 93 | 660 |
2008-06-17 | 126,000 | 127,000 | 124,000 | 126,000 | 55 | 630 |
2008-06-16 | 130,000 | 130,000 | 125,000 | 126,000 | 45 | 630 |
2008-06-13 | 125,000 | 128,000 | 125,000 | 128,000 | 66 | 640 |
2008-06-12 | 126,000 | 127,000 | 124,000 | 125,000 | 54 | 625 |
2008-06-11 | 126,000 | 132,000 | 122,000 | 132,000 | 107 | 660 |
2008-06-10 | 138,000 | 138,000 | 130,000 | 130,000 | 90 | 650 |
2008-06-09 | 134,000 | 138,000 | 134,000 | 135,000 | 117 | 675 |
2008-06-06 | 140,000 | 143,000 | 137,000 | 140,000 | 109 | 700 |
2008-06-05 | 145,000 | 145,000 | 140,000 | 140,000 | 178 | 700 |
2008-06-04 | 148,000 | 155,000 | 145,000 | 147,000 | 226 | 735 |
2008-06-03 | 152,000 | 153,000 | 144,000 | 148,000 | 254 | 740 |
2008-06-02 | 151,000 | 156,000 | 149,000 | 151,000 | 446 | 755 |
2008-05-30 | 139,000 | 158,000 | 136,000 | 151,000 | 1,263 | 755 |
2008-05-29 | 141,000 | 145,000 | 136,000 | 139,000 | 471 | 695 |
2008-05-28 | 131,000 | 141,000 | 131,000 | 139,000 | 427 | 695 |
2008-05-27 | 134,000 | 134,000 | 121,000 | 129,000 | 303 | 645 |
2008-05-26 | 139,000 | 139,000 | 130,000 | 131,000 | 257 | 655 |
2008-05-23 | 148,000 | 149,000 | 140,000 | 141,000 | 418 | 705 |
2008-05-22 | 140,000 | 155,000 | 137,000 | 148,000 | 798 | 740 |
2008-05-21 | 127,000 | 147,000 | 127,000 | 146,000 | 1,457 | 730 |
2008-05-20 | 118,000 | 127,000 | 114,000 | 127,000 | 260 | 635 |
2008-05-19 | 118,000 | 121,000 | 117,000 | 120,000 | 81 | 600 |
2008-05-16 | 123,000 | 130,000 | 120,000 | 120,000 | 496 | 600 |
2008-05-15 | 119,000 | 120,000 | 114,000 | 119,000 | 146 | 595 |
2008-05-14 | 117,000 | 118,000 | 114,000 | 118,000 | 134 | 590 |
2008-05-13 | 115,000 | 120,000 | 111,000 | 117,000 | 221 | 585 |
2008-05-12 | 116,000 | 118,000 | 113,000 | 115,000 | 270 | 575 |
2008-05-09 | 115,000 | 129,000 | 115,000 | 122,000 | 1,171 | 610 |
2008-05-08 | 106,000 | 115,000 | 106,000 | 109,000 | 225 | 545 |
2008-05-07 | 106,000 | 108,000 | 106,000 | 107,000 | 67 | 535 |
2008-05-02 | 106,000 | 108,000 | 106,000 | 107,000 | 47 | 535 |
2008-05-01 | 109,000 | 109,000 | 106,000 | 107,000 | 32 | 535 |
2008-04-30 | 106,000 | 109,000 | 106,000 | 108,000 | 35 | 540 |
2008-04-28 | 111,000 | 112,000 | 108,000 | 108,000 | 57 | 540 |
2008-04-25 | 108,000 | 119,000 | 108,000 | 110,000 | 347 | 550 |
2008-04-24 | 107,000 | 107,000 | 105,000 | 106,000 | 42 | 530 |
2008-04-23 | 104,000 | 108,000 | 104,000 | 107,000 | 87 | 535 |
2008-04-22 | 105,000 | 107,000 | 104,000 | 105,000 | 57 | 525 |
2008-04-21 | 108,000 | 109,000 | 102,000 | 105,000 | 233 | 525 |
2008-04-18 | 109,000 | 110,000 | 108,000 | 110,000 | 26 | 550 |
2008-04-17 | 110,000 | 112,000 | 109,000 | 109,000 | 57 | 545 |
2008-04-16 | 110,000 | 111,000 | 107,000 | 109,000 | 39 | 545 |
2008-04-15 | 110,000 | 112,000 | 109,000 | 109,000 | 16 | 545 |
2008-04-14 | 111,000 | 111,000 | 107,000 | 108,000 | 26 | 540 |
2008-04-11 | 109,000 | 112,000 | 109,000 | 111,000 | 67 | 555 |
2008-04-10 | 112,000 | 112,000 | 108,000 | 110,000 | 43 | 550 |
2008-04-09 | 119,000 | 119,000 | 111,000 | 114,000 | 96 | 570 |
2008-04-08 | 114,000 | 119,000 | 110,000 | 117,000 | 105 | 585 |
2008-04-07 | 110,000 | 115,000 | 108,000 | 114,000 | 93 | 570 |
2008-04-04 | 117,000 | 117,000 | 113,000 | 114,000 | 71 | 570 |
2008-04-03 | 121,000 | 121,000 | 113,000 | 119,000 | 102 | 595 |
2008-04-02 | 133,000 | 133,000 | 119,000 | 121,000 | 484 | 605 |
2008-04-01 | 111,000 | 125,000 | 111,000 | 125,000 | 278 | 625 |
2008-03-31 | 107,000 | 107,000 | 103,000 | 105,000 | 192 | 525 |
2008-03-28 | 107,000 | 108,000 | 105,000 | 108,000 | 14 | 540 |
2008-03-27 | 110,000 | 110,000 | 106,000 | 107,000 | 46 | 535 |
2008-03-26 | 107,000 | 111,000 | 107,000 | 110,000 | 54 | 550 |
2008-03-25 | 109,000 | 117,000 | 109,000 | 110,000 | 93 | 550 |
2008-03-24 | 106,000 | 110,000 | 103,000 | 107,000 | 54 | 535 |
2008-03-21 | 103,000 | 107,000 | 99,200 | 107,000 | 60 | 535 |
2008-03-19 | 105,000 | 110,000 | 100,000 | 103,000 | 117 | 515 |
2008-03-18 | 106,000 | 107,000 | 100,000 | 103,000 | 94 | 515 |
2008-03-17 | 111,000 | 111,000 | 104,000 | 109,000 | 105 | 545 |
2008-03-14 | 126,000 | 126,000 | 110,000 | 111,000 | 87 | 555 |
2008-03-13 | 132,000 | 132,000 | 125,000 | 125,000 | 55 | 625 |
2008-03-12 | 137,000 | 137,000 | 130,000 | 132,000 | 61 | 660 |
2008-03-11 | 127,000 | 133,000 | 122,000 | 133,000 | 80 | 665 |
2008-03-10 | 140,000 | 140,000 | 131,000 | 131,000 | 69 | 655 |
2008-03-07 | 143,000 | 143,000 | 140,000 | 141,000 | 42 | 705 |
2008-03-06 | 148,000 | 148,000 | 145,000 | 146,000 | 20 | 730 |
2008-03-05 | 144,000 | 147,000 | 143,000 | 146,000 | 22 | 730 |
2008-03-04 | 146,000 | 147,000 | 143,000 | 144,000 | 29 | 720 |
2008-03-03 | 148,000 | 149,000 | 142,000 | 146,000 | 75 | 730 |
2008-02-29 | 157,000 | 157,000 | 154,000 | 154,000 | 87 | 770 |
2008-02-28 | 152,000 | 158,000 | 152,000 | 158,000 | 111 | 790 |
2008-02-27 | 155,000 | 155,000 | 152,000 | 154,000 | 55 | 770 |
2008-02-26 | 156,000 | 157,000 | 151,000 | 154,000 | 51 | 770 |
2008-02-25 | 157,000 | 158,000 | 153,000 | 153,000 | 44 | 765 |
2008-02-22 | 154,000 | 154,000 | 146,000 | 151,000 | 44 | 755 |
2008-02-21 | 154,000 | 158,000 | 153,000 | 154,000 | 31 | 770 |
2008-02-20 | 160,000 | 160,000 | 153,000 | 154,000 | 63 | 770 |
2008-02-19 | 164,000 | 165,000 | 156,000 | 157,000 | 75 | 785 |
2008-02-18 | 153,000 | 165,000 | 151,000 | 161,000 | 145 | 805 |
2008-02-15 | 141,000 | 150,000 | 141,000 | 148,000 | 148 | 740 |
2008-02-14 | 145,000 | 147,000 | 140,000 | 142,000 | 94 | 710 |
2008-02-13 | 145,000 | 149,000 | 140,000 | 140,000 | 166 | 700 |
2008-02-12 | 154,000 | 158,000 | 150,000 | 150,000 | 291 | 750 |
2008-02-08 | 171,000 | 181,000 | 171,000 | 180,000 | 188 | 900 |
2008-02-07 | 171,000 | 172,000 | 168,000 | 170,000 | 54 | 850 |
2008-02-06 | 171,000 | 172,000 | 168,000 | 172,000 | 83 | 860 |
2008-02-05 | 181,000 | 184,000 | 175,000 | 180,000 | 109 | 900 |
2008-02-04 | 173,000 | 183,000 | 172,000 | 183,000 | 138 | 915 |
2008-02-01 | 171,000 | 172,000 | 167,000 | 170,000 | 78 | 850 |
2008-01-31 | 170,000 | 170,000 | 166,000 | 169,000 | 50 | 845 |
2008-01-30 | 171,000 | 171,000 | 167,000 | 170,000 | 71 | 850 |
2008-01-29 | 171,000 | 172,000 | 167,000 | 169,000 | 55 | 845 |
2008-01-28 | 173,000 | 174,000 | 164,000 | 167,000 | 123 | 835 |
2008-01-25 | 176,000 | 176,000 | 171,000 | 173,000 | 116 | 865 |
2008-01-24 | 171,000 | 172,000 | 167,000 | 168,000 | 133 | 840 |
2008-01-23 | 171,000 | 172,000 | 160,000 | 165,000 | 119 | 825 |
2008-01-22 | 162,000 | 170,000 | 159,000 | 159,000 | 157 | 795 |
2008-01-21 | 177,000 | 184,000 | 173,000 | 177,000 | 156 | 885 |
2008-01-18 | 169,000 | 189,000 | 166,000 | 186,000 | 229 | 930 |
2008-01-17 | 169,000 | 177,000 | 166,000 | 177,000 | 213 | 885 |
2008-01-16 | 171,000 | 174,000 | 156,000 | 163,000 | 223 | 815 |
2008-01-15 | 189,000 | 190,000 | 165,000 | 168,000 | 220 | 840 |
2008-01-11 | 210,000 | 211,000 | 190,000 | 192,000 | 247 | 960 |
2008-01-10 | 218,000 | 221,000 | 211,000 | 211,000 | 160 | 1,055 |
2008-01-09 | 217,000 | 219,000 | 210,000 | 215,000 | 133 | 1,075 |
2008-01-08 | 218,000 | 220,000 | 210,000 | 220,000 | 94 | 1,100 |
2008-01-07 | 205,000 | 217,000 | 205,000 | 210,000 | 140 | 1,050 |
2008-01-04 | 219,000 | 219,000 | 200,000 | 208,000 | 45 | 1,040 |
分割・併合履歴 : [2013-03-27]1株→200株