Mumbai, Sep 22 (IANS) Indian equities opened on a positive note Monday, but trading became volatile immediately thereafter on fears over the global economy and the crisis in the US financial system.The sensitive index (Sensex) of the Bombay Stock Exchange (BSE) opened higher at 14,215.33 points, over the previous close at 14,042.32 points, but soon dipped into negative territory at 14,015.27 points.

Some 30 minutes into trading the 30-share benchmark index was ruling with a gain of 44.75 points, or 0.32 percent, over the previous close.

The broader S&P CNX Nifty index of the National Stock Exchange (NSE) witnessed a similar trend and was ruling at 4,256.90 points, with a gain of 0.27 percent over the previous close of 4,245.25 points.