Major Markets are mixed with the just Nasdaq trading higher. The S&P 500 is falling from a record high as tensions flare back up between Russia and Ukraine. Investors are also scrutinizing a speech by Fed Chair Janet Yellen. Her remarks at a meeting of top central bankers in Jackson Hole, Wyoming reiterated the view the U.S. labor market remains troubled. Later today, the European Central Bank President Mario Draghi will take the stage. His speech will give investors an opportunity to hear what the ECB's policy will be on rates. Gains from Salesforce.com (CRM) and Gamestop (GME) are keeping the Nasdaq higher. Both stocks are lifted by upbeat earnings. Earnings reports and guidance are not helping retailers like Aeropostale (ARO) and Ann (ANN).