Zeng Yu / VCG via Getty Images Intel shares are soaring Thursday after Nvidia announced a $5 billion investment in the struggling chipmaker. KEY TAKEAWAYS Nvidia is investing$5 billion in Intel and will co-develop chips for PCs and data centers, the companies announced Thursday. Nvidia said it will buy Intel common stock at $23.28 a share, around 7% below where they closed yesterday. Intel shares soared in premarket trading Thursday following the news. Nvidia shares also climbed. Nvidia (NVDA) is ...