(Updates)

** Shares of economy-sensitive big U.S. banks rise in premarket trading as Republican Donald Trump elected president

** JPMorgan Chase , Wells Fargo , Goldman Sachs , Morgan Stanley , Citigroup and Bank of America gain between 7.5% and 8.6% before the bell

** Analysts have said a Trump win could lift banks on improved domestic investment, looser regulations, domestic job additions and tax cuts

** A Republican presidency could also usher in a lenient antitrust environment for multi billion-dollar deals

** "There are (hopes of) perhaps more M&A in financials sector," says Frédérique Carrier, head of investment strategy for RBC Wealth Management in the British Isles and Asia

** As of last close, S&P 500 Banks Index was up ~26% YTD, outperforming a ~20% rise in the benchmark S&P 500 Index

** Meanwhile, futures tied to the S&P 500 and the Dow hit record highs

** U.S. Treasuries yields, which move inversely to prices, also surged as Trump has promised tax cuts that could boost the budget deficit

** Treasury yields often serve as benchmarks for the interest rates banks charge on loans

(Reporting by Manya Saini, Niket Nishant and Medha Singh in Bengaluru)

((Manya.Saini@thomsonreuters.com))