** Stablecoin giant Circle's CRCL.N shares rise 15.6% to $72.8 premarket

** Company receives final regulatory approval from the U.S. Office of the Comptroller of the Currency to establish a national trust bank

** The charter allows CRCL to act as custodian for its own reserves and hold crypto assets on behalf of institutional clients

** Circle says the approval places its trust bank under direct federal oversight by the OCC, the primary regulator for lenders and national trust banks

** 14 of 29 brokerages rate the stock "buy" or higher, 14 "hold" and one "strong sell"; median PT is $138 - LSEG data

** As of last close, CRCL shares down 20.5% YTD