NEW YORK (TheStreet) -- Capstone Turbine  (CPST) - Get Capstone Turbine Corporation Report plunged Friday after the company reported first-quarter revenue that came up well short of analysts' expectations.

Capstone reported a loss of 2 cents a share on revenue of $23.26 million, while the consensus estimate called for a loss of a penny a share on revenue of $32.78 million. The company also reported a loss of 2 cents a share in the same period one year earlier. Revenue declined 4.6% year-over-year.

The stock was down 13.73% to $1.23 at 10:39 a.m.

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Separately, TheStreet Ratings team rates CAPSTONE TURBINE CORP as a Sell with a ratings score of D. TheStreet Ratings Team has this to say about their recommendation:

TheStreet Recommends

"We rate CAPSTONE TURBINE CORP (CPST) a SELL. This is driven by a few notable weaknesses, which we believe should have a greater impact than any strengths, and could make it more difficult for investors to achieve positive results compared to most of the stocks we cover. The company's weaknesses can be seen in multiple areas, such as its poor profit margins, weak operating cash flow and generally disappointing historical performance in the stock itself."

You can view the full analysis from the report here: CPST Ratings Report

CPST data by YCharts

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Editor's Note: Any reference to TheStreet Ratings and its underlying recommendation does not reflect the opinion of TheStreet, Inc. or any of its contributors including Jim Cramer or Stephanie Link.