Infosys, TCS, Wipro shares tumble 9 pc amid H-1B visa concerns
January 31, 2017 14:24 ISTAmid concerns over President Donald Trump possibly signing a new executive order aimed at overhauling work visa programmes like the H-1B and L1, shares of Indian tech giants like Infosys, TCS and Wipro plunged as much as 9 per cent