Here are some of the stocks the Yahoo Finance team will be tracking for you today.
Walmart(WMT) shares were higher in early trading after Jefferies upgraded the stock to "buy" from "hold" and raised its price target to $82 a share from $60 a share. In a note, Jefferies analyst Daniel Binder said investments are beginning to improve store conditions and that will translate into better sales and earnings for the retailer.
Whole Foods(WFM) rose in early trading after a Barron's report over the weekend that predicted shares of the upscale supermarket chain could rise 20% over the next year. Whole Foods' sales trends are beginning to improve thanks to cost cutting and the rolling out of a smaller, lower-priced version of its stores.
Priceline(PCLN) is losing another top executive, the company announced late Friday. Paul Hennessy, the CEO of its priceline.com unit, is leaving to take a job at an e-commerce company outside the travel industry. This comes after Priceline's chief executive resigned in April for having a relationship with an employee.
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Adamis Pharmaceuticals(ADMP) shares plunged in early trading following news that the Food and Drug Administration requested additional testing before it could approve its treatment for severe allergic reaction.
Hercules Offshore(HERO) shares sank Monday morning. The prolonged slump in oil prices is forcing the oil and gas driller to file for Chapter 11 bankruptcy protection, yet again. Hercules is planning to sell all of its assets and shut down just seven months after emerging from bankruptcy.