Lufkin ( LUFK) added to Top Picks Live list at Citigroup. Business demand is improving and the stock has pulled back since earnings. Buy rating and $77 price target. Medtronic ( MDT) target raised at Jefferies to $43, Jefferies said. Strong new product growth. Hold rating. Williams-Sonoma ( WSM) numbers increased at UBS. WSM estimates were raised through 2014, UBS said. New brands and markets should drive growth. Neutral rating and new $43 price target. >To submit a news tip, email: firstname.lastname@example.org.