U.S. stocks tumbled further on Friday, with indexes sliding more than 2 percent after comments from JPMorgan Chase's chief executive that March was a little tough.

JPMorgan's Jamie Dimon made the comments in an interview with CNBC, sending the bank's shares to session lows, down 4 percent.

Stocks had already been under pressure throughout the session as investors took profits following a recent surge and energy shares fell along with the price of oil.

The Dow Jones industrial average <.DJI> fell 167.18 points, or 2.11 percent, to 7,757.38. The Standard & Poor's 500 Index <.SPX> lost 16.97 points, or 2.04 percent, to 815.89. The Nasdaq Composite Index <.IXIC> was down 38.87 points, or 2.45 percent, at 1,548.13.