** Regional lender KeyCorp's KEY.N shares up 1.5% at $17.99 premarket
** Reports rise in Q3 net profit, boosted by higher interest income
** Bank posts Q3 adjusted income from continuing operations of $450 million, from $285 million a year earlier
** Net interest margin widened to 2.75% in the quarter compared to 2.17% last year
** KEY stock up 3.4% YTD
(Reporting by Sanskriti Shekhar in Bengaluru)
((Sanskriti.Shekhar@thomsonreuters.com))