Amazon, Microsoft, Alphabet and more are fueling Nvidia’s AI surge. Here’s why their billion-dollar bets could mean big gains for long-term investors.

Insiders at artificial intelligence chipmaker Nvidia have dumped more than $1 billion in stock over the last year, according to a Financial Times report. About half of those sales occurred during the last month as the market notched new highs and shook off geopolitical tensions.

Nvidia is demonstrating incredible growth and it's on the cusp of a huge opportunity. It's releasing new products to keep its dominant position in AI chips. Nvidia tends to beat Wall Street's expectations.