Stocks in news: HDFC, SBI, Aventis Pharma, Tata Steel

Here are stocks that are in news today:

HDFC block deal
-Citigroup to sell 14.5 crore shares (9.9% equity)
-Deal to be executed via block trade today
-Book oversubscribed, Citi to raise USD 2 billion

CNBC-TV18 exclusive: Deepak Parekh says
-HDFC informed by Citigroup about intent to sell
-Would like HDFC shares to be sold to many investors
-Citigroup may be selling due to huge capital need post Basel III

SBI says
-Preferential issue to government at around Rs 2,192/share
-Preferential issue to be completed by March 31

MCX IPO closes today
-Overall issue subscribed 4.5 times on day 2
-Total bids: 2.47 crore shares
-Retail Portion: subscribed 7 times
-QIB portion: 3.68 times
-Non