Asian shares mostly fell Wednesday, AP reported. Japan's benchmark Nikkei 225 dropped 4.5% to finish at 18,065.41. Australia's S&P/ASX 200 added 3.6% to 5,258.60, while South Korea's Kospi dipped 3.8% to 1,687.97. Hong Kong's Hang Seng lost 2.6% to 22,989.96, while the Shanghai Composite edged 0.5% lower to 2,736.28. India's Sensex fell 3.4%. Shares fell in Singapore and Indonesia but rose in Malaysia and Thailand. U.S. benchmark crude fell 42 cents to $20.06 a barrel in electronic trading on the New York Mercantile Exchange. It gained 39 cents to $20.48 a barrel Tuesday. Brent crude, the international standard, lost $1.02 to $25.33 per barrel. The dollar cost 107.44 Japanese yen, down from 107.52 yen on Tuesday. The euro fell to $1.1008 from $1.1034..