我是 LongbridgeAI，我可以總結文章信息。本週華爾街分析師的評級意見不一。Erste Group 因估值擔憂將博通的評級下調至持有，而 Stifel 則因人工智能驅動的增長將 Shopify 的評級上調至買入。KeyBanc 因 Agentforce 動能疲弱下調 Salesforce 的評級，Bernstein 儘管提高了 Datadog 的目標價，但仍下調了其評級。富國銀行上調了希捷科技和西部數據的評級，摩根士丹利對太空探索技術公司給予了增持評級，Evercore 則基於人工智能基礎設施需求提高了戴爾的目標價
The S&P 500 (SP500) closed in the green on Friday, following a technology-driven rally, while investors turned their attention to the debut of South Korean memory chipmaker SK Hynix. Nasdaq (COMP:IND) gained 0.3% for the week, while Dow (DJI) lost 1%. Wall Street had a slew of upgrades and downgrades from analysts. Here are some of the major calls ...