NEW YORK ( TheStreet) -- CHANGE IN RATINGSArcher-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. BroadSoft ( BSFT) downgraded to sell at TheStreet Ratings. Sierra Bancorp ( BSRR) upgraded to buy at TheStreet Ratings. 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.