Shares are mixed in Asia as the last week of trading for the year began Tuesday, AP reported. Tokyo's Nikkei 225 was nearly flat at 19,407.77 and the Kospi of South Korea rose 0.2 percent to 2,041.66. The Shanghai Composite index was nearly flat at 3,121.67. Markets in Southeast Asia were mixed.. The dollar rose to 117.38 yen from 117.18 yen on Monday. The euro fell $1.0439 from $1.0453. Benchmark U.S. crude gained 11 cents to $53.13 a barrel in electronic trading on the New York Mercantile Exchange.