If you want to earn a big return and turn $25,000 into more than $1 million, there is a safer and better way to do so -- assuming that you're willing to be patient. An exchange-traded fund (ETF) can allow you to generate some massive gains over the years,

Nvidia (NASDAQ: NVDA) has been the stock everyone is talking about for quite some time -- and for good reason. The company dominates the artificial intelligence (AI) chip niche with a market share of about 80%,

So, it's clear Nvidia has been a winning investment for those who got in on the stock early before it became an AI powerhouse. Now, the big question: Moving forward, could Nvidia once again help investors reach millionaire status?

Nvidia has built a solid position for itself in this fast-growing data center niche that could help generate sizable revenue for the company in the long run.