Wall Street fell after the morning bell on Tuesday amid weaker-than-expected results from Pfizer, while investors remained anxious over inflation, rising costs and protectionist measures.
The Dow Jones Industrial Average inched down 0.19 percent, to 24,117.29. The S&P 500 dipped 0.17 percent, to 2,643.64. The Nasdaq Composite slid 0.18 percent, to 7,053.65.
Strong corporate results with double-digit growth that largely has overpassed forecasts, failed to bring complete markets recovery after a 10 percent slump in February.
Apple's shares rose 1.5 percent, Microsoft Corp. edged up 0.3 percent, while Intel Corp. shed 1.2 percent.
A fall in crude prices, due to rising concerns over the Iran nuclear deal, hit energy stocks. The S&P energy index lost 0.9 percent.