Stocks fell sharply on Wednesday, adding to September's struggles, as tech shares took another leg lower and investors fretted over uncertainty around the coronavirus pandemic and further stimulus. 

The Dow Jones Industrial Average closed 525.05 points lower, or 1.9%, at 26,763.13. Earlier in the session, the Dow was up 176 points. The S&P 500 slid 2.4% to 3,236.92 and the Nasdaq Composite pulled back by 3% to close at 10,632.99.