What Does It Mean If NVDA Has Stake In a Company?

So they're early investors backing a company is that a big deal ? There's a small robotics company which they took a stake which then skyrocketed after the news released.

Is this like the Pelosi stamp of approval except from NVDA? Do some companies have a good track record of taking a stake in companies which go on to become very successful?

Now am looking at robotics companies like this NVDA/Uber one, the little bots getting tipped over by people while trying to deliver food. There's another one with a bartender called Adam. Maybe am closed minded cause all these little droids look so goofy to me, but what if NVDA's early-on with better insight am wondering