Analyst Upgrades

• NYSE Euronex (NYX) to conviction buy from neutral at Goldman.
• General Dynamics (GD) to buy from hold at Citigroup.
• Deere (DE), Parker-Hannifin (PH) and ExlService (EXLS) to overweight from neutral at JPMorgan.
• Aflac (AFL) to outperform from market perform at FBR Capital.
• Wynn Resorts (WYNN) to buy from neutral at Janney Capital.
• Amdocs (DOX) to buy from neutral at UBS.
• Juniper (JNPR) to buy from hold at ThinkEquity.
• Rudolph Tech (RTEC) and KLA-Tencor (KLAC) to perform from underperform at Oppenheimer.
• Hershey (HSY) and Pinnacle Entertainment (PNK) to outperform from market perform at Wells Fargo.
• Spirit AeroSystems (SPR) to equal weight from underweight at Morgan Stanley.
• Micron (MU) to outperform from neutral at RW Baird.

Here are some highlights from this past week's earnings coverage on BloggingStocks:

• Aeropostale Inc. (ARO) reported better-than-expected Q4 earnings and revenue and offered rosy guidance.
• American Eagle Outfitters Inc. (AEO) higher Q4 earnings matched analysts' estimates, but shares rose afterward.
• AnnTaylor Stores Corp. (ANN) swung to a profit in Q4 even though same-store sales dropped; shares fell.
• Cbeyond Inc. (CBEY) received an analyst's upgrade following its Q4 results and guidance for the full year.
• Children's Place Retail Stores Inc. (PLCE) posted strong Q4 earnings even though same-store sales were flat.