Artificial intelligence stock SoundHound AI (NASDAQ:SOUN) is up 117% in 2024. That’s a remarkable performance after the voice recognition specialist grew nearly 20% the year before.Yet most of the gains have nothing to do with SoundHound’s business, but only news that Nvidia (NASDAQ:NVDA) owned a stake in the company. And it was old news at that. Yet SoundHound AI took advantage of the opportunity by selling $150 million worth of new stock.It used the proceeds to pay down all of its debt, some $100 million ...