Groupon Inc Retreats Sharply (GRPN, AHS, MCD, SBAC, MPC)

Groupon Inc (NASDAQ:GRPN) shares dropped 6.64% to $4.92 after soaring 23% in the past week on concern that marketing costs are rising amid waning consumer interest in online coupons.

Additionally, Chief Financial Officer Jason Child this week told an investor conference that the company is taking steps that will help drive its growth in Europe. Moreover, the company is working on cross-border and multi-country deals as the company looks for newer ways to build market share and help retailers broaden their footprint.

AMN Healthcare Services, Inc.(NYSE:AHS) stock dropped 13.42% to $8.45 after UBS AG lowered shares of AMN Healthcare Services from a neutral rating to a sell rating in a research report released today. UBS AG currently has $6.50 price target on the stock. Additionally, analysts expect that AMN Healthcare Services will post $0.38 EPS for the current fiscal year.

McDonald's Corporation(NYSE:MCD) shares climbed 0.43% to $92.09 in the early hour. McDonald’s had its target price boosted by Credit Suisse to $100.00 in a report released on Monday. Credit Suisse currently has an overweight rating on the stock.

Additionally, the company last week announced that it will begin posting calorie counts of all menu items on its menu boards. This is part of the company’s ongoing “Commitments to Offer Improved Nutrition Choices” program.

SBA Communications Corporation(NASDAQ:SBAC) stock increased 0.89% to $60.07. The company said in a filing that it will extend terms on 2,800 T-Mobile USA leases, boosting SBA revenue and earnings. Wells Fargo Analyst Jennifer M. Fritzsche says that SBA will recognize non-cash site rental revenue and increased annual cash escalations. The company indicated it expects this agreement to result in an additional $5MM in site rental revenue and an additional $1MM in adjusted EBITDA and AFFO in 2H 2012.

Marathon Petroleum Corp(NYSE:MPC) shares declined 4.03% to $53.36 in the early hour. Citigroup downgraded shares of Marathon Petroleum from a buy rating to a neutral rating. Their analysts now have a $55.00 price target on the stock, up previously from $52.00. Additionally, the company, on Sept. 7, said that it has started shutting down its refinery in Detroit as part of the final step of its yearslong project to boost the plant's capability to process heavy, crude oil.