. >>> coming up, tyler mathisen with an exclusive look inside the -- >>> traders can't help but wondersident obama will stop in here at the new york stock exchange. here's a look at some of our presidential visits from the past. >> the president. >> in a few minutes, i'll ring the bell so trading can begin. but i know that if i don't, it'll ring itself anyway. >> we're going to see if we can talk to the president here very briefly. they're asking me to move here. >> mr. president, bob pisani with cnbc, mr. president. say you want to backtest an entire portfolio of stocks. market experts show you how through fidelity's extensive trading knowledge center. and fidelity gives you free research from 15 independent firms, with accuracy scores... to help you decide which analysts to trust. find out why more and more active traders are turning to fidelity for a smarter way to trade online. trade like a pro. trade with fidelity. when thistheir employeect addebenefits package,ment guess who became the new teacher's pet? aflac, aflac, aflac, aflac, aflac find out more at... aflac! for business.co