Shares of Yahoo (YHOO, Fortune 500) climbed, as talk about a possible
buyout of the struggling company continued to swirl.
"as talk" 不需用過去式,或過去完成式?
如果指因可能被收購,應該係消息快過股價,是否應用had talked ?
如果是消息入市時,市場正消化,所以說同時,是否應該用talked?
還是前者用了climbed, 加上as 後的動詞不需再加過去式,都有前者climbed
時態的意義?