There are no guarantees in investing. That's the hard truth we all have to learn. Some investments come with low risks while others have a high risk of not working out, but none come with zero risks.

Nvidia is once again the most valuable U.S. company, outranking Apple for the first time since late November. A rise in the chip maker's stock meant it ended Tuesday with a market capitalization of $3.

The incredible rise of Nvidia (NASDAQ:NVDA) has been one of the biggest stories of the past two years. Dominating the AI hierarchy, NVDA holds a

The past few years have been undeniably profitable for Nvidia ( NVDA 4.43%) investors. The stock price has surged more than sevenfold over the past two years, and today, it topped the charts as the world's most valuable company in terms of market cap. The stock was up as much as 4.7% Wednesday morning. At 12:32 p.m. ET, the stock was still up 4.1%.