SINGAPORE (Reuters) -Shares in Asia fell on Wednesday, weighed down by a tech-led selloff on Wall Street, while the dollar gained some ground ahead of a key meeting of central bankers later in the week. Oil prices inched higher after falling in the previous session, as traders bet that talks over a possible agreement to end the war in Ukraine could ease sanctions on Russian crude oil, boosting global supply. MSCI’s broadest index of Asia-Pacific shares outside Japan fell 0.47%, as did stock futures in Europe and the U.S..