AptarGroup Inc. (NYSE: ATR) was started as Hold at Jefferies, noting that the high-quality growth is fairly valued.

Babcock & Wilcox Enterprises Inc. (NYSE: BW) was downgraded to Underperform from Neutral at Credit Suisse.

Baxter International Inc. (NYSE: BAX) was started as Outperform at Wells Fargo.

Bristol-Myers Squibb Co. (NYSE: BMY) was maintained as Buy but was removed from the Conviction Buy list, with a $67 price target (versus a $50.01 prior close) at Goldman Sachs.

Carrizo Oil & Gas Inc. (NASDAQ: CRZO) was downgraded to Neutral from Outperform at Credit Suisse.

eBay Inc. (NASDAQ: EBAY) was started as Neutral with a $34 price target (versus a $31.50 close) at Wedbush.

Etsy Inc. (NASDAQ: ETSY) was started as Neutral with a $15 price target (versus a $15.11 close) at Wedbush.

E*Trade Financial Corp. (NASDAQ: ETFC) was downgraded to Neutral from Buy at Merrill Lynch.

Gigamon Inc. (NASDAQ: GIMO) was raised to Buy from Neutral at Merrill Lynch.

GrubHub Inc. (NYSE: GRUB) was raised to Buy from Neutral at Merrill Lynch.

Laredo Petroleum Inc. (NYSE: LPI) was downgraded to Underperform from Neutral at Credit Suisse.

National Fuel Gas Co. (NYSE: NFG) was raised to Buy from Hold at Jefferies, and the firm also added it to the Jefferies Franchise Picks List.

Performance Food Group Co. (NASDAQ: PFGC) was started as Outperform with a $28 price target (versus a $25.10 close) at BMO Capital Markets.

Sanchez Energy Corp. (NYSE: SN) was downgraded to Neutral from Outperform at Credit Suisse.

Wednesday’s top analyst upgrades and downgrades were in Advanced Micro Devices, Corrections Corp., Fortinet, Motorola Solutions, Procter & Gamble, Xilinx and over a dozen more.