Stocks to Watch: On Monday, SGX Nifty futures rose 0.8 percent to 16,376.5 as of 7:00 am along with the rise in Asian equities. This hinted at a positive open for Dalal Street. Among others, shares of Infosys, Sun Pharma, Zomato, Bharat Heavy Electricals, Metropolis Healthcare will be in focus today. Here are top stocks to watch out for in trade on May 23: