The stock is up a lot -- but also down a lot. See what you think.It's a good question -- is it too late to buy shares of SoundHound (SOUN +1.95%) after it surged 50% over the past year? Well, I'll suggest that it very well may be -- because despite that 50% gain over the past 12 months, the stock is actually down 40% year to date. (These figures are as of Nov. 26.)Buying the stock is not a no-brainer move, though, because there are reasons to buy and reasons to refrain. The company began as a music-recognit ...