panero has been at least in terms of a performer a bit more on the volatile side of things.ou can see over the last year, underperformer. only about 11%. so perhaps with that being said, there is still a little upside left. >> and i got a new soda stream for christmas, and maybe some other people are, too. with soda stream, this is a company that's shown hyper-growth over the past couple years as people get into it. the question then becomes whether or not they can still deliver that same kind of growth, especially in the wake of perhaps more competition from other providers and other beverages. >> i got my dad a soda stream for christmas. >> i love it. >>> twitter shares moving down. down 2% after cantor fitzgerald downgraded the social network stock to sell based on excessive valuation. this is just the latest of downgrades twitter has been hit with. the stock has doubled since its november ipo. we're just really wondering whether or not this is the sign of a turbulent ride ahead for twitter. let's talk numbers. on the technicals, j.c. o'hara. on the fundamentals, andy bus