NEW YORK ( TheStreet) -- Shares of Cell Therapeutics (Nasdaq: CTIC) were gapping down Thursday morning with an open price 15.3% lower than Wednesday's closing price. The stock closed at $1.96 Wednesday and opened today's trading at $1.66.

The average volume for Cell has been 2.3 million shares per day over the past 30 days. Cell has a market cap of $333.5 million and is part of the health care sector and drugs industry. Shares are down 10.5% year to date as of the close of trading on Wednesday.

Cell Therapeutics, Inc., a biopharmaceutical company, develops, acquires, and commercializes oncology products for the treatment of cancer.

TheStreet Ratings rates Cell as a sell. The company's weaknesses can be seen in multiple areas, such as its generally disappointing historical performance in the stock itself and poor profit margins. You can view the full Cell Ratings Report.

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