Depreciation = price in the beginning on the yr (opening balance) + purchases from the yr − benefit at the end of the yr (closing balance) “盈亏修正”主要指的是交易成本，通常在投机交易中占比较小。盈亏修正的计算实际上非常复杂，不同的交易所可能有不同的规则格式来规范交易行为。 Gain for every prevalent share — diluted [footnote 2: Diluted by assumed physical exercise of stock-based payment... https://yasserm318afj1.nytechwiki.com/user