Analysts' Actions: RIMM BIG DFS EAT FFIV

NEW YORK (TheStreet) -- CHANGE IN RATINGS

Aircastle (AYR) upgraded to Buy at TheStreet Ratings.

Ameren (AEE) upgraded at Morgan Stanley to Overweight, Morgan Stanley said. $37.50 price target. Exiting the merchant generation business will help earnings.

Big Lots (BIG) rated new Buy at Citigroup. $36 price target. Canada turnaround tacking above plan.

Camden National (CAC) upgraded to Buy at TheStreet Ratings.

Discover (DFS) downgraded at FBR from Outperform to Market Perform, FBR Capital Markets said. $42 price target. Company is facing rising operating costs.

Brinker (EAT) upgraded at Sterne Agee from Neutral to Buy, Sterne Agee said. $36 price target. Channel checks suggest better sales visibility.

F5 Networks (FFIV) rated new Outperform at FBR. $120 price target. Fears of competition have been overblown for the time being.

Harman (HAR) rated new Neutral at Guggenheim. $46 price target. Company will likely continue to experience volatility in Europe.

IBM (IBM) rated new Buy at Topeka. $245 price target. Company is leveraged to emerging market trends.

Nike (NKE) downgraded at Janney from Buy to Neutral, Janney Montgomery said. Valuation call, based on a fair value of $110.

Verifone (PAY) rated new Sector Perform at Pacific Crest. Company will struggle to receive a higher earnings multiple.

Research in Motion (RIMM) downgraded at Paradigm to Hold, Paradigm Capital said. $14.50 price target. Company is likely to see lower services revenue.

STOCK COMMENTS / EPS CHANGES

Cigna (CI) numbers cut at BMO. Shares of CI now seen reaching $64. Estimates also lowered to reflect impact of run off reinsurance business. Outperform rating.

Discover Financial Services (DFS) numbers lowered at Citigroup. Shares of DFS now seen reaching $43, Citigroup said. Estimates also lowered on reserve build loan growth miss. Neutral rating.

Darden (DRI) estimates, target reduced at Credit Suisse. Shares of DRI now seen reaching $48, according to Credit Suisse. Estimates also cut, as the company is realizing lower margins. Neutral rating.

Mohawk Industries (MHK) price target raised at UBS to $105, UBS said. Significant upside persists. Buy rating.

Nike (NKE) price target raised at UBS to $115, UBS said. Stage set for accelerating EPS growth. Buy rating.

PNC Financial (PNC) numbers cut at Credit Suisse. Shares of PNC now seen reaching $66, according to Credit Suisse said. Company is facing net interest margin pressure. Neutral rating.

Research In Motion (RIMM) target cut at Canaccord to $9. BB10 migration adversely impacts services. Sell rating.

This article was written by a staff member of TheStreet.