Wall St extends rally as Nvidia gains; US-China talks, data in focus

By Ragini Mathur and Utkarsh Hathi May 14 (Reuters) – The S&P 500 and the Nasdaq hit fresh intraday record highs on Thursday, boosted by gains in chip giant Nvidia, while investors assessed economic data and monitored developments around the high-stakes U.S.-China summit. Nvidia rose 3%, giving the chipmaker a market valuation of about $5.6 trillion, after Reuters reported citing sources that