为什么快收盘的时候，买价大于卖价？
比如说今天sembcorp
Last done is 2.810, vol:6404 bid-v:12 bid-pice:3.020 sell-price:2.750 sell-v:5
但最后又正常了
Last done is 2.810, 6551 39 2.810 2.820 115
Last done is 2.810, vol:6404 bid-v:12 bid-pice:3.020 sell-price:2.750 sell-v:5
但最后又正常了
Last done is 2.810, 6551 39 2.810 2.820 115
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