Tokyo stocks rose slightly Monday morning, supported by advances on Wall Street late last week, while trading was slow ahead of a national holiday in the United States. The 225-issue Nikkei Stock Average rose 112.85 points, or 0.29 percent, from Friday to 38,758.96. The broader Topix index was up 8.37 points, or 0.31 percent, at 2,750.91. The U.S. dollar moved little in the upper 156 yen range amid a lack of fresh incentives, dealers said. At noon, the dollar fetched 156.72-74 yen compared with 156.91-157.01 yen in New York and 157.04-06 yen in Tokyo at 5 p.m. Friday. The euro was quoted at $1…