In a reversal that could add billions to Nvidia's bottom line, CEO Jensen Huang confirmed Tuesday that the company is restarting production of H200 chips for Chinese customers - just months after export restrictions nearly shut down that market entirely.

The move follows President Trump's December decision to approve H200 exports to China, a significant policy shift from the Biden administration's hard line on advanced semiconductor sales. Huang told reporters the company's "supply chain is getting fired up," though he carefully framed the decision as balancing American leadership with global competitiveness.

Here's what this actually means for investors: China represented a massive chunk of Nvidia's revenue before the export bans kicked in. Getting that market back could be a material boost to earnings, especially as the company faces slowing growth in other regions. But there's a catch - it's not clear yet whether Chinese customers will actually take delivery of these chips, or if this is political theater ahead of the midterms.

The timing is suspicious. Trump wants to score wins with the business community, and easing restrictions on Nvidia plays well with both Wall Street and the tech industry. But national security hawks are going to push back hard on selling advanced AI chips to a geopolitical rival. This policy could flip again depending on how the political winds shift.

For Nvidia shareholders, this is unambiguously good news in the short term. The stock has been trading sideways for months, and renewed access to the Chinese market removes a major overhang. Analysts will likely revise revenue estimates upward once we get confirmation that chips are actually shipping.

But here's the risk nobody's talking about: What if this is temporary? If you're buying Nvidia purely on the China reopening story, you're making a bet that Trump's export policy sticks - and that a future administration doesn't reverse course. That's a political risk, not a business risk, which makes it harder to price.

The smarter play is probably to view this as a bonus, not the thesis. Nvidia's core business - data center AI chips for U.S. customers - remains strong. If China adds to that, great. But if the policy changes again, you don't want to be caught holding a stock you bought purely for a market that might disappear overnight.