Nvidia plans to purchase 'several hundred billion' dollars' worth of US-made electronics over the next four years.The chip designer will source products from suppliers like TSMC and Foxconn, improving supply chain resiliency and avoiding tariffs.The move allows Nvidia to reduce dependence on TSMC's facilities in Taiwan and mitigate risks related to China and potential US tariffs.Nvidia CEO believes that the Trump administration's policies will support the growth of AI and data centers in the US.