U.S. stocks are edging lower after the Federal Reserve opted not to cut interest rates for the first time since it began trying to help the economy in September. The S&P 500 was down 0.6% in Wednesday afternoon trading,

The S&P 500 traded 0.8% lower, while the tech-heavy Nasdaq Composite more than lost 1%. The Dow Jones Industrial Average (DJIA) shed 179 points, or 0.4%.

By Marc Jones and Lawrence Delevingne LONDON/BOSTON (Reuters) -World markets were calmer on Wednesday as the week’s rollercoaster ride for stock markets turned into wait and see ahead of the Federal Reserve’s first rate meeting of the year and results from Microsoft,