Good morning and welcome to opening bid. I'm Yao Finance executive editor Brian Sazi. I hope Santa brought you all the presents you wanted for Christmas.And luckily for you, I'm here in Santa's place with a few more important presents to hand out. Context on a stock market ripping to new highs into year end. But first, here's what's on my mind right now.Nvidia has made its largest acquisition ever, buying assets from 9-year-old AI chip startup Grock, for roughly uh $20 billion. Grock was just valued at $6.9 ...