NEW YORK (TheStreet) -- RATINGS CHANGES

American Airlines (AAL) was downgraded at Bank of America/Merrill Lynch to neutral from buy. Twelve-month price target is $50. Company is most exposed to industry capacity risks, Bank of America/Merrill Lynch said.

Caterpillar (CAT) was initiated with a buy rating at Societe Generale. Twelve-month price target is $110. See signs of recovery in construction and mining end markets, Societe Generale said.

Cisco (CSCO) was initiated with a neutral rating at Nomura. Valuation call, based on a 12-month price target of $32.

Walt Disney (DIS) was initiated with an outperform rating at Credit Suisse. Twelve-month price target is $130. Company should benefit from the shift toward digital platforms, Credit Suisse said.

Dish Network (DISH) was initiated with a neutral rating at Credit Suisse. Twelve-month price target is $70. Valuation call, as the company lacks near-term catalysts, Credit Suisse said.

Genesco (GCO) was downgraded at Goldman Sachs to sell from neutral. Twelve-month price target is $56. Despite decline, the company still faces multiple potential growth risks, Goldman Sachs said. Frontier (FTR) was upgraded at DA Davidson to buy. Twelve-month price target is $6.50. Company now has financing for its Verizon (VZ) deal, and the 8.1% dividend appears secure, DA Davidson said.

HSN (HSNI) was upgraded at Stifel to buy from hold. Twelve-month price target is $78. Company can continue to grow its business through mobile commerce, Stifel said.

Humana (HUM) was upgraded at Sterne Agee CRT to neutral from underperform. Potential acquisition would likely occur at higher levels, Sterne Agee CRT said.

Nice Systems (NICE) was upgraded at J.P. Morgan to overweight from neutral. Twelve-month price target is $72. Impressive new management team, J.P. Morgan said. The company is well positioned to expand its total addressable market, accelerate growth and deliver operating leverage, J.P. Morgan also said.

SI Financial (SIFI) was downgraded to hold at TheStreet Ratings. You can view the full analysis from the report here: SIFI Ratings Report.

SLM Corp. (SLM) was initiated with a hold rating at TheStreet Ratings. You can view the full analysis from the report here: SLM Ratings Report.

Get more analyst stock comments and changes to price targets and earnings estimates daily in TheStreet's Real Money. Read them here.

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