NEW YORK (

TheStreet

) --

Westport Innovations

(Nasdaq:

WPRT

) is trading at unusually high volume Wednesday with 3.3 million shares changing hands. It is currently at four times its average daily volume and trading down $1.52 (-3.3%) at $44.14 as of 10:30 a.m. ET.

Westport Innovations has a market cap of $1.84 billion and is part of the

consumer goods

sector and

automotive

industry. Shares are up 37.4% year to date as of the close of trading on Tuesday.

Westport Innovations Inc. provides alternative fuel, low-emissions technologies that enable engines to operate on fuels, such as compressed natural gas, liquefied natural gas, hydrogen, and biofuels.

TheStreet Ratings rates Westport Innovations as a

sell

. The company's weaknesses can be seen in multiple areas, such as its deteriorating net income, poor profit margins and weak operating cash flow. You can view the full

Westport Innovations Ratings Report

.

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