On Friday, March 3, investors await speeches from five Federal Reserve officials. Charles Evans, Jeffrey Lacker, Jerome Powell, Chair Janet Yellen and Vice Chair Stanley Fischer are all speaking at various events. Experts say central bankers may use these opportunities to prepare the markets for a March rate increase. Other economic data points released on Friday include the ISM Non-manufacturing Index for February at 10 a.m. EST, along with the weekly Baker Hughes (BHI) rig count at 1 p.m. As for earnings, Big Lots(BIG) - Get Report releases results before the markets open. TheStreet's Scott Gamm reports from Wall Street.