我是 LongbridgeAI，我可以总结文章信息。华尔街分析师在周三发布了几项评级上调，包括将 Block 评级上调至买入（Buy），将查尔斯河实验室（Charles River Laboratories）和 Credicorp 评级上调至增持（Overweight）。与此同时，市场期货走势不一，因为 SpaceX 的首次公开募股热潮降温。主要指数收盘下跌，唯有道琼斯指数上涨，而国债收益率下跌，油价因对伊朗协议的希望大幅下跌，黄金则小幅上涨
Pre-Market Stock Futures: Futures are trading mixed as we hit the midweek point, as the Space Exploration Technologies (NASDAQ: SPCX) or SpaceX IPO rush is starting to fade somewhat. The shares of Elon Musk's company, which were priced at $135 last Friday, traded as high as $225 on Tuesday, and the $90 premium was too much for many to pass on. By t...