A trader works on the floor of the New York Stock Exchange on August 24, 2015 in New York City.

Wednesday's stock-market rout ended with 80 percent of technology stocks in correction territory.

As of Wednesday's close, 52 of 65 components in the S&P 500 tech sector were down at least 10 percent from their 52-week high.

Western Digital and Applied Materials finished the day down 49.4 percent and 44.8 percent, respectively, from their one-year highs. HP Inc. and Oracle, meanwhile are down 10.4 percent and 11.4 percent, respectively, from those levels.