Stock Upgrades and Downgrades

Analysts' Actions: RHT, ADTN, CVX, DAL, DIS

NEW YORK (TheStreet) -- CHANGE IN RATINGS

Archer-Daniels-Midland (ADM) downgraded at Morgan Stanley from Overweight to Equal-weight, Morgan Stanley said. Crop situation could worsen from consensus expectations.

Adtran (ADTN) downgraded at Mizuho from Neutral to Underperform, Mizuho said. $20 price target. Service providers are shifting capex spending away from wireline.

Adtran downgraded at Stifel from Buy to Hold, Stifel Nicolaus said. Guidance is shy of expectations.

Chevron (CVX) upgraded at JP Morgan from Underweight to Neutral, JP Morgan said. $120 price target. Risk/reward is improving at current levels.

Delta Air Lines(DAL) rated new Sell at Goldman. $9.30 price target. Legacy carriers are more vulnerable to earnings pressure.

Walt Disney (DIS) upgraded at Wells from Market Perform with Outperform, Wells Fargo said. Company is firing on all cylinders and can generate solid free cash flow growth.

El Paso Electric (EE) downgraded at Jefferies to Hold from Buy, Jefferies said. $34.50 price target. Lower rate base.

Family Dollar (FDO) downgraded at BofA/Merrill from Neutral to Underperform, Bank of America/Merrill Lynch said. $60 price target. Estimates also cut, given lower expected margins.

Merck (MRK) upgraded at Citigroup to Buy from Neutral, Citigroup said. $50 price target. Troika of new products.

ONEOK (OKE) upgraded at BMO to Outperform from Market Perform, BMO Capital Markets said. $51 price target. Incrementally more positive on NGL prices.

Perrigo (PRGO) downgraded at Canaccord from Buy to Hold, Canaccord Genuity said. Valuation call, based on a $125 price target.

Red Hat (RHT) downgraded at Oppenheimer to Perform from Outperform, Oppenheimer said. Waiting for new product strategy.

Smithfield Foods (SFD) downgraded at BofA/Merrill from Buy to Underperform, Bank of America/Merrill Lynch said. $19 price target. Strong dollar and rising feed costs will cut into earnings.

Supervalu (SVU) upgraded at UBS to Neutral from Sell, UBS said. $4 price target. Covenant risk is removed.

Supervalu downgraded at JP Morgan from Overweight to Neutral, JP Morgan said. Save-a-Lot brand proving to be not worth as much as expected.

Trinity Industries (TRN) rated new Buy at Stifel. $31 price target. Valuation call, following the recent price correction.

Tyson Foods (TSN) downgraded at Morgan Stanley from Equal-weight to Underweight, Morgan Stanley said. Higher grain prices could persist.

Tyson Foods downgraded at BofA/Merrill from Buy to Underperform, Bank of America/Merrill Lynch said. $16 price target. Lower demand will likely cut into margins.

Alleghany (Y) rated new Neutral at JP Morgan. Valuation call, based on a $355 price target. TRH purchase should ultimately help augment growth.

STOCK COMMENTS / EPS CHANGES

Adtran (ADTN) numbers lowered at Jefferies. Shares of ADTN now seen reaching $21, Jefferies said. Estimates also lowered on wireline. deterioration. Hold rating.

Adtran estimates, target reduced at Credit Suisse. Shares of ADTN now seen reaching $22, according to Credit Suisse. Estimates also cut, given the company's cautious outlook. Neutral rating.

Adtran numbers cut at UBS. Shares of ADTN now seen reaching $28, UBS said. Estimates also lowered on lower than expected results and guidance. Buy rating.

Broadcom (BRCM) numbers lowered at Oppeneheimer. Shares of BRCM now seen reaching $45, Oppenheimer said. Estimates also lowered on uncertain macro. Outperform rating.

Chevron (CVX) estimates reduced at Morgan Stanley through 2014, Morgan Stanley said. Company is seeing slower international production growth. Overweight rating and $126 price target.

KLA-Tencor (KLAC) added to Top Picks Live! at Citigroup. Foundry orders will rebound sooner in 2H12 than NAND in 1H13.

Marvell Technology (MRVL) estimates lowered at JMP through 2013, JMP Securities said. Disk drive and wireless handset businesses appear to be tracking below plan. Market Perform rating.

Noble Energy (NBL) numbers cut at Guggenheim. Shares of NBL now seen reaching $117, according to Guggenheim. Estimates also reduced, given higher exploration costs. Buy rating.

Northern Technologies International (NTIC) target cut at Craig Hallum to $18. Rate of uptake in oil and gas products is slow. Buy rating.

NYSE Euronext (NYX) numbers cut at Credit Suisse. NYX estimates were reduced through 2014, Credit Suisse said. Company is realizing lower volumes. Neutral rating and new $28.50 price target.

Constellation Brands (STZ) target raised at UBS to $35, UBS said. DOJ concerns proactively addressed. Buy rating.

Texas Instruments (TXN) numbers lowered at Oppenheimer. Shares of TXN now seen reaching $35, Oppenheimer said. Estimates also lowered on macro slowdown. Outperform rating.

Yum Brands (YUM) target cut at Morgan Stanley to $75, according to Morgan Stanley. Company will likely see lower sales in China. Overweight rating.

TheStreet Staff

07/12/12 - 09:02 AM EDT