Upbeat quarterly results from Meta Platforms IncMETA.O, following similarly strong earnings from Microsoft Corp MSFT.O and Alphabet Inc GOOGL.O added fuel to the rally. By Stephen Culp NEW YORK, April 27 (Reuters) - U.S. stocks rallied and Treasury yields resumed their climb on Thursday as market participants digested solid earnings amid signs of a dampening economy. Treasury yields gained ground across the board as investors weighed the looming debt ceiling showdown in Washington and signs that inflation could remain stubbornly high even as the economy slows.