Why Nvidia stock is on sale

Nvidia's (NVDA) stock may be cheap headed into its Feb. 25 earnings report. "This is the cheapest [valuation-wise] Nvidia has been for about three years," B. Riley strategist Art Hogan said on Yahoo Finance's Opening Bid (video above). Hogan added, "So when you're trading at 25 times forward earnings, which is going to go down after the upcoming earnings report because they're going to raise their guidance, they're the tip of the sword for artificial intelligence spend. I just think that, if anything, Nv ...