Renault shares plunge 20% on emissions testing probe

Renault shares have plummeted on a report the company's emissions testing is under scrutiny.

Here's the chart. The shares are down about 20% at the time of writing:

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According to Bloomberg, Agence France Press reported that agents from the France's Economy Ministry's fraud office visited some Renault sites on January 7 and seized computers.

The action may tie Renault into the same scandal that engulfed Volkswagen last year, after the company admitted cheating emissions tests.