** Regional bank FB Financial's FBK.N shares rise 1.2% to $45.14 in light premarket trading
** Piper Sandler upgrades rating to "overweight" from "neutral"
** "Upside potential comes from strategic hiring, geographic expansion, and a more aggressive M&A approach," Piper Sandler analysts said in a note
** Three brokerages rate company "buy" or higher, and three rate "hold"; median PT at $60 - data compiled by LSEG
** As of last close, stock is down 13.4% YTD
(Reporting by Jaiveer Singh Shekhawat in Bengaluru)
((JaiveerSingh.Shekhawat@thomsonreuters.com;))