insiders sold over $1 billion worth of company stock in the past year, with a notable uptick in recent trading activity as executives capitalize on surging investor interest in artificial intelligence. More than $500 million of the share sales took place this month as the California-based chips designer's share price climbed to an all-time high, Reuters reported citing the Financial Times.Nvidia's chief executive Jensen Huang started selling shares this week for the first time since September, the SEC filing showed, Reuters reported.

- US Stock Market outlook: S&P 500, Dow Jones, Nasdaq to fall or continue to rise on Monday?

Nvidia's stock hit a record on Wednesday, and the chipmaker reclaimed the crown as the world's most valuable company after an analyst said the chipmaker was set to ride a "Golden Wave" of artificial intelligence. Its latest gains reflect the US stock market's return to the "AI trade" that fueled massive gains in chip stocks and related technology companies in recent years on optimism about the emerging technology, as per Reuters report.

Nvidia's shares have rebounded over 60 per cent from their closing low on April 4, when Wall Street was reeling from President Donald Trump's global tariff announcements. US stocks, including Nvidia, have recovered on expectations the White House will reach trade deals to soften the tariffs.The chip company shot up 4.3 percent to $154.31 on last Wednesday, giving it a market valuation of around $3.76 trillion -- more valuable than Microsoft, Apple and other tech giants. The rise came as CEO Jensen Huang presented the company's latest technologies at Nvidia's annual meeting.Fueling Nvidia's latest rally, Loop Capital lifted its price target for the designer of high-end AI processors to $250 from $175, while maintaining its "buy" rating.

Nvidia recently traded at about 30 times analysts' expected earnings for the next 12 months, below its average of about 40 over the past five years, according to LSEG data. That relatively modest price-to-earnings valuation reflects steadily increasing earnings estimates that have outpaced Nvidia's sizable stock gains.

A1. Nvidia recently traded at about 30 times analysts' expected earnings for the next 12 months, below its average of about 40 over the past five years, according to LSEG data. That relatively modest price-to-earnings valuation reflects steadily increasing earnings estimates that have outpaced Nvidia's sizable stock gains.

A2. Fueling Nvidia's latest rally, Loop Capital lifted its price target for the designer of high-end AI processors to $250 from $175, while maintaining its 'buy' rating.