ARM Holdings (ARMH) upgraded to Neutral from Reduce at Natixis.
Acorda Therapeutics (ACOR) downgraded to Neutral from Buy at Citigroup.Citigroup downgraded Acorda Therapeutics citing valuation following the company's Q4 results and Neuronex acquisition. The firm raised its price target for shares to $29 from $27.
Altra Holdings (AIMC) downgraded to Hold from Buy at Jefferies.Jefferies downgraded Altra Holdings citing the company's weaker than expected Q4 results and guidance. The firm lowered its price target for shares to $21 from $25.
Ultra Petroleum (UPL) downgraded to Hold from Buy at Jefferies.Jefferies downgraded Ultra Petroleum citing the company's production outlook and weak gas price fundamentals. The firm lowered its price target for shares to $22 from $27.
Dell (DELL) downgraded to Neutral from Outperform at RW Baird.Baird downgraded Dell based on valuation. Price target raised to $20 from $18.
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