Nvidia aims to spend several hundred billion dollars to procure US-made chips and electronics over the next four years. The company's latest chips and Nvidia-powered servers for data centers can now be produced at US-based factories operated by Taiwan Semiconductor Manufacturing Co. and Foxconn Technology Group.Nvidia ultimately plans to shift manufacturing onshore, and is already using TSMC's Arizona factory to help produce some of its graphics processing units. Bloomberg's Mike Shepard reports. (Source: Bloomberg)