According to CNN, the Dow Jones plummeted over 600-points on the day, wiping out its gains for the year.
The Dow Jones Industrial Average shrank about 2.4-percent on Oct. 24th, closing at 24,583.
The Dow Jones hasn't closed that low since February, but it opened the year in January trading about the 25,000 mark.
But the biggest losses on Wall Street hit tech stocks.
