Stocks are mixed in Asia as investors focus on the Federal Reserve policy meeting that ends Wednesday. Tokyo's Nikkei 225 index added 0.3% to 28,635.21, while the Hang Seng in Hong Kong edged 0.1% higher to 29,429.26. The Kospi in South Korea sank 0.6% to 3,122.56, while the Shanghai Composite index was virtually unchanged, at 3,568.90. In Australia, the S&P/ASX 200 lost 0.6% to 6,780.60, the Associated Press reported. In other trading, benchmark U.S. crude oil rose 38 cents to $52.99 per barrel in electronic trading on the New York Mercantile Exchange. It gave up 16 cents to $52.77 per barrel on Tuesday. Brent crude, the international standard, added 36 cents to $56.00 per barrel. The U.S. dollar was trading at 103.67 Japanese yen, up from 103.62 yen late Tuesday. The euro was almost unchanged, at $1.2163.