not so fast, according to robert shiler. you will hear directly from the housing expert when we come back on "halftime." customer erin swenson bought from us online today. so, i'm happy. sales go up... i'm happy. it went out today... i'm happy. what if she's not home? (together) she won't be happy. use ups! she can get a text alert, reroute... even reschedule her package. it's ups my choice. are you happy? i'm happy. i'm happy. i'm happy. i'm happy. i'm happy. happy. happy. happy. happy. (together) happy. i love logistics. [ engine revs ] ♪ ♪ [ male announcer ] the mercedes-benz winter event is back, with the perfect vehicle that's just right for you, no matter which list you're on. [ santa ] ho, ho, ho, ho! [ male announcer ] lease a 2013 c250 for $349 a month at your local mercedes-benz dealer. >>> welcome back. fedex's profit dropping less than feared, and that's enough to sends the stock higher today. but should you buy into today's rally or bail? ennis thinks there may be head winds. let's debate it. the stock is up