Japanese and Australian shares fell. South Korea’s benchmark bucked the trend, led by Samsung Electronics Co.’s rally after it announced a stock buyback plan. US futures gained, after the S&P 500 slid 1.3% on Friday to erase more than half of its gains following the US election. Japanese and Australian shares fell. South Korea’s benchmark bucked the trend, led by Samsung Electronics Co.’s rally after it announced a stock buyback plan. US futures gained, after the S&P 500 slid 1.3% on Friday to erase more than half of its gains following the US election. Economic Times