** Shares of Sona BLW Precision Forgings Ltd SONB.NS jump 6.1% to 482.90 rupees, top gainer among auto stocks .NIFTYAUTO today
** Move trims the EV parts maker's stock's YTD loss to 19%, still making it the biggest loser on Nifty Auto index
** CNBC-TV18 reported on Thursday that SONB is in advanced talks with China's BYD 002594.SZ to supply EV components
** If deal goes through, SONB could set up local plant in China, report says, citing sources
** SONB told Reuters it has no developments to report, while BYD did not immediately respond to Reuters' request for comment
** Around 19.3 mln shares traded hands in stock's most active day since late October, 7.7x the 30-day avg volume
** Analysts tracking stock rate it "buy" on avg; median PT is 551.14 rupees - data compiled by LSEG
(Reporting by Nandan Mandayam in Bengaluru)
((Nandan.Mandayam@thomsonreuters.com; Mobile: +91 9591011727;))