we will talk to reince priebus, and also irene rosenfeld when we come back. . >>> good morning, welcome on the street," i'm david faber, along with sara eisen and simon hobbs. we're live from the new york stock exchange. carl quintanilla on assignment in colorado for the debate tonight. we'll hear from him later in the hour. for now, let's look at the markets. oil, as we like to do at this time, we are ahead on all the major averages, wti, moving one way or the other significant amounts. up almost 4% this morning. big day on cnbc. the republican presidential candidates set to take the stage tonight. the chairman of the republican national committee will join us live from colorado. >> shares of apple and twitter reacting to their quarterly results in opposite directions. find out how you should be playing those stocks today. >> and our friend, david faber moving stocks higher is in advanced talks to buy starwood hotels. the deal, he said, will be announced in a week or two. >> we will start with the debate. just hours away from the republican presidential debate tonight on cnbc. this is