Lucas Jackson/ReutersUS stocks were mixed on Monday as investors await third-quarter earnings from major companies.Investors will monitor retail sales and jobless claims data this week.Federal Reserve Governors Christopher Waller and Adriana Kugler are scheduled to speak this week.US stocks were mixed on Monday as investors await a wave of third-quarter earnings results this week.More than 40 S&P 500 companies are set to report results this week, including Netflix, Morgan Stanley, and Goldman Sachs.According to data from Fundstrat, 6% of S&P 500 companies have already reported their results.