U.S. stocks fell on Tuesday after Citigroup Inc's (C.N) quarterly earnings missed estimates, while Apple Inc (AAPL.O) weighed on the technology sector after Chief Executive Steve Jobs took another medical leave.

Shares of Citi fell 4.9 percent to $4.88, while Apple lost 4.6 percent to $332.36.

The Dow Jones industrial average .DJI was down 7.88 points, or 0.07 percent, at 11,779.50. The Standard & Poor's 500 Index .SPX was down 2.09 points, or 0.16 percent, at 1,291.15. The Nasdaq Composite Index .IXIC was down 10.69 points, or 0.39 percent, at 2,744.61.