Summary: Stocks are slipping on the last trading day of January. Investors are feeling uncertain after the disappointing Q4 GDP report showing the U.S. economy grew much slower than expected. The consumer, however, showed a strong performance. Consumer spending was better than expected last quarter at 4.3%. Consumer sentiment rose as well in January to its highest level in 11 years. The University of Michigan reading rose to 98.1. Investors are lining up for shares of Shake Shack (SHAK). The stock is jumping on its market debut, up more than 130%. Amazon (AMZN) is another gainer in the session after beating its quarterly earnings expectations.
