VIDEO: Analyst Moves: DFS, WLK

Discover (DFS) was upgraded by Credit Suisse (C) to outperform from neutral with a price target of $47 as the company deserves a higher valuation gven its growth potential. Shares are higher by about one percent.

VIDEO: Analyst Moves: AAP, ACM

Advance Auto Parts (AAP) was upgraded by JP Morgan (JPM) to overweight as the company is likely to continue gaining market share in a robust industry. Shares are higher by about 1.35 percent.

VIDEO: LinkendIn, AOL Announce Earnings

Professional social network LinkedIn (LNKD) announced that profit increased by 66% to $11.5 million, or 10 cents per share, up from $6.9 million, or 6 cents per share, during the same period a year earlier. Revenue increased to $303.6 million from $167.7 million.