The Sensex opened 89 points higher at 10,425, and soon touched a high of 10,470. The index faced a major jolt in form of the Sayam fiasco. Heavy selling in Satyam and select index stocks saw the index slip into the negative zone and drift lower as the day progressed.'
The index slumped to a low of 9,510, and finally (provisional) ended with a huge loss of 756 points at 9,580. In the process, the index wiped out its entire gains registered in the last four trading days.