With a CNBC Your Money Minute, I'm Jessica Ettinger. Many investors have memories of some pretty big market plunges in the not-too-distant past. Peak to trough, the S&P 500 index tanked 34% in the COVID crash of March 2020.It took a 12% fall last year when President Trump announced tariffs. And it pulled back 9% after the US sent missiles into Iran this year. And Harris Associates Bill Nygren sees something.>> We're certainly not in the camp of saying things are wildly overvalued, but there's a lot of inves ...