Tokyo stocks retreated Tuesday morning from the previous day’s surge, as investors were cautious ahead of the Bank of Japan’s two-day policy meeting slated to start later in the day. The 225-issue Nikkei Stock Average fell 367.39 points, or 0.96 percent to 38,101.24 after soaring 2.13 percent on Monday. The broader Topix index was down 23.97 points, or 0.87 percent, at 2,735.70. On the top-tier Prime Market, decliners were led by mining, bank and machinery issues. The U.S. dollar moved narrowly around the 154 yen line, with many traders sidelined as the Federal Reserve and the BOJ are both set…