Sensex ends up 928pts; Infosys zooms 10%BS Reporter / Mumbai March 25, 2008The Sensex opened with a positive gap of 324 points at 15,613 on the back of firm trend in the global markets. Aggressive buying in financial, realty and technology stocks saw the index surge to higher levels as the day progressed.The index touched a high of 16,262, and finally settled with a gain of 928 points (6.1%) at 16,217. In the process, the index today registered its second biggest single-day gain in absolute terms. BIGGEST SINGLE-DAY GAINS