The security has yet to overcome several levels of resistance Albemarle Corporation (NYSE:ALB) stock was last seen up 0.6% to trade at $129.90, after the chemicals manufacturing company nabbed a price-target hike from Citigroup to$135 from $125. The brokerage bunch is divided on ALB, with 12 calling it a tepid "hold" or worse, while 11 say "buy" or better. Meanwhile, short sellers are piling on. Short interest rose 16.3% in the last two reporting periods, and the 14.31 million shares sold short now make up ...