The Sensex opened with a positive gap of 48 points at 9858. The index could barely move a point higher to touch a high of 9859 before slipping in negative zone.The index tried hard to recover in mid-noon deals but could not succeed as unabated selling in the market dragged the index to lower levels. Heavy selling towards the close saw the index tumble to a low of 9428 - down 431 points from the day's high.The Sensex finally settled with a loss of 334 points at 9476.