* Nomura upgrades India's Wipro Ltd to "buy" from
"neutral" and raises its target price to 490 rupees from 390
* The investment bank cites expectation for "an imminent"
turnaround in growth on the back of an increase in its deal
pipeline and a more stable outlook for U.S. demand.
* Valuations discounts versus rivals Infosys Ltd and
Tata Consultancy Services Ltd also turn risk reward
more favourable, Nomura says.