A day after the Congress led UPA government won the trust vote in Parliament; shares extended their rise to about 6 percent on Wednesday. Banking stocks were in demand followed by realty and power stocks. The Bombay Stock Exchange's Sensex opened with a positive gap of around 465 points at 14,568.22. It very nearly sailed past the 15,000 mark, but hit a high of 14,979.90 in afternoon trade and ended with a thumping gain of 838.08 points or 5.94 percent at 14,942.28.