The BSE benchmark Sensex spurted by over 222 points in late morning trade today after the Reserve Bank cut short-term leading rate to support the economic growth. The 30-share index spurted by 222 points to trade at 17,373 soon after RBI announced cut in short-term lending rate, repo rate, by 0.50 percentage point.In a Similar fashion, the National Stock Exchange Nifty index shot up by 67 points to 5,293 points. The upsurge was mostly lead by interest rate sensitive stocks such as banking, realty and auto.