That's sending major indexes lower on the final day of trading as investors lock in gains, or sell underperforming stocks to reap a tax benefit.

美国股市三大股市在全年最后一个交易日开盘走低，投资者锁定利润，出售表现不佳的个股，以获取税收优惠。

youdao

We are entering the final and most important hour of the trading day.

我们现在已经进入了最后的也是整个交易日中最重要的一个小时。

youdao

Last Friday was the final trading day before July-dated equity options expired.

FORBES: Connect

Some strategists hungry for an end-of-week rally in CMG looked to the weekly options contracts that are now in their final day of trading.

FORBES: Bulls Score Big In Chipotle Calls, Pack Heat With Smith & Wesson