** Regional lender Western Alliance Bancorporation's WAL.N shares rise 2.5% to $90.69
** WAL late Friday announced $300 million share repurchase program
** Shares may be purchased through open market or private transactions and through block trades
** WAL has 110.4 million shares outstanding for $9.8 billion market cap
** 14 of 15 brokerages rate the stock "buy" or higher and 1 "hold"; median PT $99 - data compiled by LSEG
** As of last close, WAL stock up 5.9% YTD