Wall St ends down

U.S. shares closed down overnight after Greece depositors withdrew 700 million euros from Greek banking system.
Dow Jones Industrial Average fell 63.35 points, or 0.50 per cent to close at 12,632.00.
S&P 500 index lost 7.69 points, or 0.57 per cent at 1,330.66, a 3-month low
All 10 S&P sectors finished in negative territory, led by energy and materials.
Nasdaq compostie index dropped 8.82 points, or 0.30 per cent to end at 2,893.76.