U.S. stocks capped the best week since January, with the S&P 500 Index climbing above 2,500 level for the first time, as investors showed resilience in the face of a North Korean missile test. The dollar weakened after an unexpected decline in August retail sales raised concern over the economy’s strength. Investors largely shrugged off the latest rise in tensions on the Korean peninsula and a terrorist attack in London, with haven assets from the yen to gold declining. The S&P 500 took the round-number milestone in the final minutes of trading to end the week with a 1.6 percent advance. The Dow Jones ... (full story)