I'm talking about Nvidia  (NVDA) , of course, and the question is: Can it help power the S&P 500 to another record high?The answer is yes. In premarket trading shares of the AI-chip giant are trading up nearly 1%.

Only a few years ago, the Biden administration declared export controls a “new strategic asset” to help the US maintain “as large a lead as possible” over China in advanced technology. President Donald Trump is now upending that approach.