Why Westport Fuel Systems Stock Sank Today

The stock of Westport Fuel Systems (NASDAQ: WPRT) crashed Tuesday morning, sinking nearly 22% as of 11:40 a.m. EST after its third-quarter numbers missed Wall Street estimates by a pretty big margin. What's even more concerning is that Westport Fuel may have just confirmed the end of key joint venture (JV) with engine giant Cummins (NYSE: CMI).

Here are some notable numbers from Westport Fuel's third-quarter report (all changes are year over year):

Consensus estimates were for revenue worth around $87 million and for Westport Fuel to turn a profit.

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Source Fool.com