The yen softened 0.3 percent to 157.715 against the dollar and 181.45 against the euro on Tuesday, remaining about 4 percent stronger than levels one week earlier. An auction of 10-year Japanese government bonds drew weaker demand, while MSCI Asia-Pacific shares outside Japan fell 0.5 percent and the Nikkei 225 declined 0.3 percent. S&P 500 futures rose 0.2 percent, with 84 percent of reporting companies beating earnings estimates, and Brent crude gained 1.4 percent after Monday's decline.