Shares of Nvita's semiconductor is trading more than three and a half year highs after the company said it was making progress on new power chips to support AI infrastructure designed by Nvidia. The stock has now been up almost 50% just this week. So it is time for overlook stocks and that is the subject.I'm joined by George Tillis, a senior markets correspondent for a good look at this company. why it's up at 26%. Is it just on this tie up with Nvidia. It is.Um, one of the things about Nvidita is it's a sm ...