On Monday, American exchanges remained closed due to a national holiday in the United States. Friday major indices closed trading with a fall - Dow Jones lost 0.28%, S &  P 500 - 0.42%, NASDAQ - 0.62%, investing.com reports. The most popular were the retail sectors, energy, pharmaceuticals, information technology - in particular, shares of Home Depot, Chevron, Amgen, Obseva, Merck & amp; Co. The outsiders were the air carrier Boeing, Wells Fargo banks and Citigroup, Dow Inc. The negative factor was the reports published by the banks, which showed a decrease in their net profit in the past year. In this reports of American corporations are expected to be released this week, investors' attention is focused on the upcoming inauguration in United States. An important aspect continues to be the question future economic support for the country.