The Bombay Stock Exchange Sensex today ended the day higher by 236 points. The 30-share Sensex, which lost 265 points in the last two trading sessions, bounced back to close at 17,021. The wide-based National Stock Exchange index Nifty rose 63 points to 5,052.Marketmen said the recovery in the market was purely on brokers clearing their pending long positions created in last two bearish sessions. Higher opening in European markets also boosted market sentiment.