Depreciation = value firstly from the year (opening harmony) + purchases within the year − worth at the end of the year (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。 Financial gain per widespread share — diluted [footnote 2: Diluted by assumed work out of stock-centered compensat... https://walts629bdg9.vidublog.com/profile