That optimism helped push the safe haven dollar to its lowest since April 2018.

這種樂觀情緒幫助將避風港美元推至2018年4月以來最低。

While all three major Wall Street indexes were up in morning trade, Boosting sentiment was Britain's approval of the emergency use of AstraZeneca and Oxford universities Covad 19 vaccine, which will start being administered on Monday.

雖然華爾街三大指數在上午的交易中均有所上漲，但提振情緒的是英國準許緊急使用阿斯利康和牛津大學的Covad 19疫苗，這將在週一開始施用。

Do we turn our backs on struggling, working families?

我們是否對苦苦掙扎的勞動家庭視而不見？

But tempering optimism was the back and forth in Washington over the size of stimulus checks to Americans.

但讓樂觀情緒有所緩和的是，華盛頓在向美國人發放刺激政策支票的規模問題上的反反覆覆。

Object objection Is heard Senate Majority Leader Mitch McConnell on Tuesday blocked a quick vote to back President Donald Trump's call to increase Cove in 19 relief checks from $600 to $2000.

對象反對是聽到參議院多數黨領袖米奇-麥康奈爾週二阻止了支持總統唐納德-特朗普呼籲將19個救濟支票中的科夫從600美元增加到2000美元的快速投票。

The move resulted in Wall Street's main indexes falling from intraday record highs.

此舉導致華爾街主要指數從盤中紀錄高位回落。

Still, the S and P 500 has bounced back nearly 70% since it bottomed in March, thanks to trillions of dollars in stimulus and progress in developing vaccines.

不過，由於數萬億美元的刺激政策和疫苗研發的進展，S和P 500指數自3月觸底以來仍反彈了近70%。

Technology companies such as Apple and Amazon powered much of this year's gains but have taken a back seat in recent weeks as investors buy into beaten down economically sensitive stocks such as travel stocks, hoping that a recovery will make those companies winners in 2021.

蘋果和亞馬遜等科技公司為今年的大部分漲幅提供了動力，但最近幾周卻退居其次，因為投資者買入被打壓的經濟敏感股，如旅遊股，希望經濟復甦能讓這些公司在2021年成為贏家。