Shares of Tata Group's retail arm Trent Ltd are down 12% ... after the fantastic run-up in the stock price, it may be time to book profits. Goldman Sachs has a buy call on Trent with target ...

School of Electronics and Information Engineering, Institute of Quantum Materials and Devices, State Key Laboratory of Separation Membrane and Membrane Processes, Tiangong University, Tianjin 300387, ...