Stocks close sharply lower as tech sector takes another hit

A giant American Flag hangs on the New York Stock Exchange, Monday, Sept. 21, 2020. U.S. stock indexes are mixed in early trading Wednesday, as Wall Street’s tumultuous month continues to churn. (AP Photo/Mary Altaffer)

NEW YORK — Wall Street experienced more whiplash Wednesday as stocks closed broadly lower, wiping out the market’s gains from the day before.