Short Seller Says Megaspeed Is Not the Only Route to Chips for China

Culper Research, the short-selling firm founded by Christian Lamarco, says it saw warning signs about Nvidia's China business months before the matter became a public scandal. Lamarco says the firm was confident in its research when it first appeared and remains confident in it now.

The firm's latest claim goes beyond the company at the center of the earlier story. According to the headline of the coverage, Culper argues that Megaspeed is not the only company helping China gain access to advanced chips. That points to a wider network of intermediaries rather than a single bad actor, which matters because Washington has tightened export rules on high-end AI processors specifically to keep them out of Chinese hands.

Short sellers profit when a stock falls, which gives them a clear incentive to publish damaging research, and the companies they target often dispute those findings. Readers should treat the new allegations as claims from an interested party until regulators, courts or the companies involved confirm the details. The reporting this article is based on does not establish that any named company broke the law, and the full list of other companies Culper has in mind was not part of the material available for this story.