Elan Corp PLC ( ELN) target lowered at Jefferies $15, Jefferies said. Uncertainty remains around non-Tysabri issues. Buy rating. First Horizon National ( FHN) numbers raised at Jefferies. Shares of FHN now seen reaching $9.50, Jefferies said. Estimates also raised on expense saves. Hold rating. Groupon ( GRPN) estimates, target cut at Credit Suisse. Shares of GRPN now seen reaching $11, according to Credit Suisse. Estimates also reduced, given slower realized growth. Neutral rating. JC Penney ( JCP) numbers lowered at UBS. Shares of JCP now seen reaching $23, UBS said. Estimates also lowered on 2Q SSS and EPS miss. Neutral rating. Research in Motion ( RIMM) target cut at UBS to $9.50, UBS said. Lack of near term catalysts. Neutral rating. Scotts Miracle-Gro ( SMG) numbers cut at BMO. SMG estimates were reduced through 2013, BMO Capital said. Company is seeing slower international growth. Market Perform rating and new $38 price target. Tesoro Corporation ( TSO) numbers raised at Oppenheimer. Shares of TSO now seen reaching $50, Oppenheimer said. Estimates also raised on acquisition. Outperform rating. >To submit a news tip, email: email@example.com.