New York, July 10 (BridgeNews) - The Nasdaq ended at its lowest level since April 17 and the Dow industrials posted triple-digit losses as investors worried that companies will not meet already lowered earnings estimates in the weeks ahead. The Dow Jones industrial average ended down 123.76, or 1.20%, to 10,175.64 and the Nasdaq Composite index was down 63.92, or 3.15%, to 1962.79.