The main US and European stock indexes closed lower ahead of the Fed's key rate decision. Investors are awaiting the results of the regulator's two-day meeting, which will be known today at 21:00 Moscow time.

At closing of trading session on Tuesday, Dow Jones was down 0.71%, S&P 500 - 1.15%, NASDAQ - 1.87%. The negative factor was weak U.S. economic statistics and negative news from some big companies. Consumer confidence index in July has fallen more than expected in comparison with the previous month - down to 95.7 points, the forecast was equal to 97.2 points. The June new home sales were also worse than analysts' forecasts, coming in at 590,000 versus the expected 660,000.

Walmart downgraded its earnings forecast, citing higher inflation, which triggered a decline of its shares by over 8%. Papers of Shopify lost 15% on the news that the company plans to cut its staff by 10%.

European indices closed down 0.00027% to 0.96% on a negative external backdrop.