Infosys, TCS, Wipro and other IT stocks rise up to 4%. Here are 3 important triggers to watch

IT stocks including TCS, Infosys, Wipro, HCLTech, Tech Mahindra, Coforge and Persistent Systems rose up to 4% on Friday. The gains came amid a confluence of factors, including second-quarter earnings and the US suspension of a certification programme. TCS and Wipro were among the key gainers, while midcap IT stocks also saw strong buying interest during the session.