Summary: The Dow closed down 55 points today, Cramer lays out two themes that are poised to roar higher in 2013. Then, REGN was the top performing stock in the NASDAQ in '12, but could the recent pullback present you with a buying opportunity? Cramer's exclusive with the CEO. And, can BIIB sustain momentum and continue higher? Jim checks in with the CEO. Then, Jim goes Off the Charts to see if PFE is still a big pharma dinosaur or if it's on track to soar.
