Top stocks to watch: At 7:40 am, SGX Nifty50 futures were at 17,907.25, slightly down in the red, hinting at a muted opening for Indian benchmark indices on Thursday. Stocks such as Hindustan Unilever, Biocon, Asian Paints, Bajaj Finserv, Havells India, Persistent Systems, PNB Housing Finance, Agro Tech Foods and Mphasis Ltd will be closely tracked. Here is a complete list of top stocks to watch out for in trade today: