Asian markets sink after Wall Street sell-off

Asian markets mostly fell on Wednesday as uncertainty over the future of central bank monetary policy weighed on buying interest while warnings of an extended oil glut sank energy firms. Investors are trying to understand a slew of contradictory signals from authorities around the world, with the Federal Reserve and Bank of Japan preparing to hold crucial policy meetings next week. While the Fed is considering an interest rate hike, which some say could come as early as this month, the Bank of J