Investors should keep an eye on select stocks on Wednesday, February 19, as major corporate developments may impact market movements. Companies like RVNL (NSE: RVNL), L&T (NSE: LT), CONCOR (NSE: Concor), Infosys (NSE: Infy) and Transformers and Rectifiers (NSE:TARIL) are the likely stocks to buy or sell today, according to experts.