** Shares of grocery wholesaler United Natural Foods UNFI.N up 1.3% at $44.15 premarket
** Wells Fargo upgrades to "overweight" from "equal weight"; raises PT t to $56 from $40; new PT implies 28.6% upside to stocks last close
** Brokerage says turnaround progressing well; notes company's natural/organic exposure makes it "a great way to play the healthy living trend"
** Brokerage adds UNFI poised for meaningful AI gains given its scaled logistics network, large warehouses, private fleet, and high-cost labor base
** As of last close, UNFI stock up 29.3% YTD
(Reporting by Tharuniyaa Lakshmi in Bengaluru)
((tharuniyaa@thomsonreuters.com))