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Nvidia shares fell nearly 7.5% at the opening bell on Monday, Share Talk reports, citing a board investigation into reports involving chief executive Jensen Huang. The decline would put the shares at $172.75, down from Friday’s $186.64 close, according to the report.

The Economic Times separately reported an 8% fall at the open. Share Talk estimates the move cut Nvidia’s market value by $335 billion, a change in quoted valuation rather than cash leaving the company. That is a sharp market reaction, not a verdict on the allegations behind the investigation.

Discuss: Should a company’s share price react this sharply to a leadership controversy before an investigation establishes whether confidential information was compromised?

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