(Reuters) - UK shares dipped on Wednesday after U.S. President Donald Trump dented global sentiment by offering little sign of progress in trade talks with China in his State of the Union address, while Clydesdale Bank owner CYBG rallied on strong lending numbers.The FTSE 100 was down 0.1 percent, snapping a six-day winning streak, while the FTSE 250 was roughly flat by 0826 GMT.BP, which led the index higher with a more than 5 percent gain on Tuesday after strong results, dipped along with..