** India's RBL Bank RATB.NS jumps 9.5% to hit six-month high of 206.89 rupees; on course for biggest daily pct gains since October 2022
** At least three brokerage firms upgrade rating on RATB, nine hike PT after Q4 earnings on Friday, as per LSEG data
** Lender posts 10% growth in net advances in Q4, net interest margin at 4.89%
** Investec upgrades to "buy" from "hold", while ICICI Securities ups rating to "add" from "hold"
** Credit costs and return on assets (RoA) improving, says ICICI Securities
** Adds 1% RoA by end of FY26 can drive stock re-rating
** "Business growth is gaining traction and slippages are expected to normalize by 2QFY26," says Motilal Oswal Financial Services, as it upgrades stock to "buy" from "neutral"
** YTD, RATB up 30.9% vs 11.3% gains in Nifty Private Bank .NIFPVTBNK index
(Reporting by Vivek Kumar M)
((VivekKumar.M@thomsonreuters.com;))