According to @StockMKTNewz, China’s antitrust regulator said a preliminary investigation found Nvidia (NVDA) violated the country’s antimonopoly law tied to an acquisition completed in 2020, citing WSJ as the report source. Source: @StockMKTNewz; WSJ. According to @StockMKTNewz, the United States and China are holding trade talks in Spain, adding a concurrent macro backdrop to the regulatory headline. Source: @StockMKTNewz. Trading implications focus on headline risk around NVDA and AI chip supply chain exposure to China, with potential short-term volatility as markets price regulatory and trade developments into AI equities and related risk assets. Source: independent analysis based on @StockMKTNewz; WSJ.