Why did SoundHound AI stock drop today? Get the details behind the latest price swing.Shares of SoundHound AI (SOUN -4.69%) cooled down on Thursday, ending a string of positive price moves. The stock surged 16.3% higher from the long weekend to Wednesday evening, but gave back as much as 8.1% of those gains today. At 2:50 p.m. ET, SoundHound AI's shares are down by 5.2%.When someone else's party sends your stock soaringThis week's surge was based on a broader wave of interest in a certain type of artificial ...