Halcon Resources ( HK) was upgraded to hold at TheStreet Ratings.

Harman International ( HAR) was upgraded to buy at TheStreet Ratings.

Highwood Properties ( HIW) was upgraded at Jefferies to buy from hold. $40 price target. Beneficiary of improving suburban office fundamentals, Jefferies said.

MGM Resorts ( MGM) was upgraded at Credit Suisse from neutral to outperform. $17 price target. Estimates also increased, as the company is improving its balance sheet, Credit Suisse said.

MKS Instruments ( MKSI) was upgraded at Bank of America to buy from underperform. $32 price target. Early cyclical leverage, Bank of America said.

Northrop Grumman ( NOC) was downgraded at JP Morgan from neutral to underweight. Company trades at a 13% premium to its peers, JP Morgan said.

Och-Ziff ( OZM) was downgraded at Goldman Sachs to neutral. Company is seeing relatively sluggish asset flow trends, Goldman said.

Raytheon ( RTN) was downgraded at JP Morgan from overweight to neutral. Valuation call, as the stock is up 23% over the past year, JP Morgan said.

Senior Housing Properties ( SNH) was downgraded at Jefferies to hold from buy. $24 price target. Wait-and-see approach on RIDEA, Jefferies said.

Superior Energy Services ( SPN) was downgraded to Sterne Agee to neutral from buy. $24 price target. Lack of near-term catalysts, Sterne Agee said.

FMC Technologies ( FTI) was upgraded at Sterne Agee to buy from neutral. $56 price target. Margin inflection point expected in 2013, Sterne Agee said.

Ventas ( VTR) was upgraded at Jefferies to buy from hold. $72 price target. Positive mix between defense and growth, Jefferies said.

Stock Comments / EPS Changes

Amarin Corp. ( AMRN) numbers were lowered at Jefferies. Shares are seen reaching $26. Estimates were also lowered on incremental commercialization update, Jefferies said. Buy rating.

American Tower ( AMT) price target was raised at Oppenheimer. Shares are now seen reaching $90. Well-positioned to enable broadband services, Oppenheimer said. Outperform rating.

Celgene ( CELG) numbers were raised at Jefferies. Shares are now seen reaching $104. Estimates were also raised on strong 2013-2017 outlook. Buy rating.

Cliffs Natural Resources ( CLF) numbers were boosted at Bank of America/Merrill Lynch. Shares are now seen reaching $39. Estimates were also increased, given higher expected iron ore prices, BofA/Merrill said. Neutral rating.

Eaton Corp. ( ETN) price was target raised at Oppenheimer to $63. Expectation has runway into late 2013, Oppenheimer said. Outperform rating.

MetLife ( MET) was added to the US Focus List at Credit Suisse. Stock is already pricing in the worst-case scenario for 2013, Credit Suisse said.

Qualcomm ( QCOM) estimates, price target were raised at Credit Suisse. Shares are now seen reaching $75. Estimates were also increased, as the company can expand its margins, Credit Suisse said. Outperform rating.

Yum! Brands ( YUM) numbers were cut at UBS. Shares are now seen reaching $69. Estimates were also lowered on lower China SSS forecasts, UBS said. Neutral rating.

Yum Brands numbers were reduced at Credit Suisse. Shares are now seen reaching $77. Estimates were also reduced, given lower realized sales in China. Outperform rating.

>To submit a news tip, email: tips@thestreet.com.

READERS ALSO LIKE:


Follow TheStreet on Twitter and become a fan on Facebook.
This article was written by a staff member of TheStreet.

If you liked this article you might like

Cramer: Dominoes Are in Play Today

Wall Street Overlooks Trump's North Korea Threats to Hit New Records

Stocks on Track for Records Even as Trump Goes After North Korea

AutoZone CEO Doesn't Expect Irma, Harvey Costs to Have 'Material' Impact

Stocks Waver as Wall Street Waits for Direction From Fed Meeting