Most Asian shares fell on Thursday after U.S. stocks took a beating overnight amid the relentless slide in oil prices and concerns over growth as the Federal Reserve’s latest “Beige Book” survey of economic conditions pointed to more sluggish U.S. economic growth. The Dow lost 2.2 percent on Wednesday, the tech-heavy Nasdaq tumbled 3.4 percent and the S&P 500 retreated 2.5 percent despite signs of stabilization in the yuan and encouraging Chinese trade data.