** TrustCo Bank Corp NY's shares TRST.O gain 2% to $30.98
** Community bank late Tuesday announced stock repurchase program of up to one million shares, or about 5% of its outstanding shares
** Bank may repurchase shares in open market or private transactions in the next 12 months
** TRST has 19 million outstanding shares for $578 million market cap - data compiled by LSEG
** Stock down 7% YTD
(Reporting by Arasu Kannagi Basil in Bengaluru)
((ArasuKannagi.Basil@thomsonreuters.com;))