隔夜美股 | 标普500指数连涨两日 特斯拉(TSLA.US)涨4.5%

Company and Industry Updates - Apple (AAPL.US) will open its underlying artificial intelligence technology to developers, indicating a strategic move to enhance its AI capabilities and improve features like Siri [9] - Morgan Stanley has downgraded McDonald's (MCD.US) rating to hold, reflecting a cautious outlook on the company's performance [10]