Sensex erases early gains, drops 50 points; Nifty below 11,750; Suzlon jumps 11%
At 9:30 am, the BSE Sensex was trading 79 points, or 0.20 per cent, higher at 39,273.

Crude prices jumped amid US-Iran tensions while Asian stock markets remained largely tepid, weighing ondomestic stocks.
At 10 am, the 30-pack Sensex was trading at 39,130.84, down 63.65 points, or 0.16 per cent. The index had gained over 100 points in early trade.
The NSE barometer Nifty was trading below 11,750.
A total of 17 of 30 Sensex stocks were trading in the green.
Bajaj Auto, Hero MotCorp, Tech Mahindra, ONGC and Reliance Industries were among the top losers in the Sensex basket of stocks.
Most sectoral indices were in the green, but oil & gas, energy and auto pack were down almost 1 per cent.
Meanwhile, RBI's Deputy Governor Viral Acharya has resigned six months ahead of the scheduled end of his term.
Analysts said Acharya's will add to the dovish tone to RBI MPC.
"The bond and stock market should react positively to this news, but currency might have an initial negative reaction. We look forward to more aggressive rate cuts from the RBI since MPC minutes reveal that focus is on growth now," Kalra added.
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