U.S. stocks suffer biggest drop in nearly 3 weeks; Dow falls 68 points

NEW YORK (MarketWatch)
U.S. stocks declined Tuesday, with the S&P 500 index retreating from a four-year high as Apple Inc. shares turned lower, overtaking optimism about Europe
"When Apple started to give back too much of its intraday gains, the Nasdaq futures gave it all back and Apple turned from a 10-point gain to a 9-point loss before stabilizing," said Elliot Spar, market strategist at Stifel Nicolaus
The Dow Jones Industrial Average dropped 68.06 points, or 0.5%, to 13,203.58
The S&P 500 index lost 4.96 points, or 0.4%, to 1,413.17
The Nasdaq Composite fell 8.95 points, or 0.3%, to 3,067.26