Today's Big Losers: ART, IDIX, CSKI, SOLR
Tuesday, September 7, 2:58 PM ET

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Idenix Pharmaceuticals (NASDAQ:IDIX) announced that the company received verbal notice on Friday, September 3, 2010 from the U.S. Food and Drug Administration that the IDX184 and IDX320 programs have been placed on clinical hold. A clinical hold is an order issued by the FDA to the sponsor to delay a proposed clinical investigation or to suspend an ongoing investigation.

Shares of Idenix are lower by 47.4%.

China Sky One Medical (CSKI) said fiscal year 2010 revenue and adjusted net income are expected to be lower than its previous financial guidance as a result of the termination of several major distributor relationships. The Company also announced the resignation of its CFO, Mr. Stanley Hao, due to health considerations.

China Sky One Medical is down 30%.

GT Solar International (SOLR) announced a secondary offering of 10 million shares of its common stock by one selling stockholder, GT Solar Holdings, LLC. The selling stockholder has also granted the underwriters an option to purchase a maximum of 1.5 million additional shares to cover over-allotments, if any.

The selling stockholder has also entered into agreements to sell up to 15 million additional shares to UBS Securities LLC (NYSE:UBS) and one of its affiliates in connection with an offering by UBS AG of its Mandatorily Exchangeable Notes due 2013.

Shares of GT Solar are down 10.15%.