Abbott Laboratories (NYSE: ABT) was maintained as Buy at Jefferies, but the price target was cut to $44 from $50.

Align Technology Inc. (NASDAQ: ALGN) was started as Outperform with an $84 price target (versus a $76.56 close) at Credit Suisse.

American States Water Co. (NYSE: AWR) was raised to Neutral from Sell with a $39 price target (versus a $39.73 close) at Ladenburg Thalmann.

Atento S.A. (NYSE: ATTO) was downgraded to Neutral from Outperform at Credit Suisse.

Calgon Carbon Corp. (NYSE: CCC) was started with a Buy rating and was assigned a $20 fair value estimate (versus a $14.90 close) at Janney.

Emerson Electric Co. (NYSE: EMR) was raised to Buy from Hold with a price target of $61 (versus a $53.03 close) at Argus.

EOG Resources Inc. (NYSE: EOG) was downgraded to Neutral from Positive at Susquehanna.

Integrated Device Technology Inc. (NASDAQ: IDTI) was raised to Buy from Neutral and the price objective is $26 (versus a $20.50 close) at Merrill Lynch.

Invesco Mortgage Capital Inc. (NYSE: IVR) was raised to Market Perform from Underperform at Wells Fargo.

Kosmos Energy Ltd. (NYSE: KOS) was raised to Strong Buy from Outperform with a $7 price target (versus a $4.83 close) at Raymond James.

SeaWorld Entertainment Inc. (NYSE: SEAS) was downgraded to Underperform from Outperform at Credit Suisse, and the price target was cut to $15 from $27 (versus an $18.43 close).

West Pharmaceutical Services Inc. (NYSE: WST) was maintained as Buy but the fair value estimate was raised to $90 from $69 (versus a $71.83 close) at Janney.

Tuesday’s top analyst upgrades and downgrades included Bats Global Markets, Eli Lilly, Gap, Hasbro, JD.com, Nike, Pfizer, SolarCity and over a dozen more companies. Monday’s top analyst upgrades and downgrades included Altria, BB&T, Capital One, CenterPoint, Occidental Petroleum, Vale, Workday and over a dozen more.