Take a look at some of Wednesday's morning movers:
Goldcorp - The gold producer has cut its full-year guidance for production levels. The company cites reduced output at mines in Ontario and in Mexico.
Apple - San Francisco officials are moving to block municipal purchases of Apple computers. That comes after Apple removed a green electronics certification from its products. That certification sets minimum standards for ease of recycling and energy efficiency. Separately, UBS has begun coverage of Apple with a "buy" rating, citing the potential for a rally inspired by an iPhone 5 release.
GlaxoSmithKline - The drugmaker's experimental once-daily drug to treat AIDS shows an advantage over market leader Atripla, made by Gilead Sciences.
AMR - The American Airlines parent is moving ahead with assessing
HHGregg - The company is forecasting a wider-than-expected loss for its first quarter and has also cut its full-year outlook. The appliance and electronics chain has been facing shrinking demand, as well as higher costs.
Yahoo - Yahoo's board is meeting today to discuss the company's search for a permanent CEO, although it's not known if an announcement will be made. Interim CEO Ross Levinsohn is said to be the leading candidate for the permanent job.
Duke Energy - UBS has downgraded the utility company's stock to "neutral" from "buy." Three company executives have now resigned following the completion of the Progress Energy acquisition and the
Dendreon - Bank of America/Merrill Lynch has downgraded the drugmaker's stock to "underperform" from "neutral." The firm also cut its price target for Dendreon to $6 per share from $13.
Staples, OfficeMax - Bernstein has downgraded both stocks to "market perform" from "outperform," citing economic sluggishness in the U.S., as well as concerns over Europe's ongoing fiscal crisis.
Beazer Homes - The home builder priced an offering of 22 million shares at $2.90 per share, a 2.7 percent discount to Tuesday's closing price.
—By CNBC’s Peter Schacknow
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