摩根大通下调美国铝业公司评级

Core Viewpoint - Morgan Stanley downgraded Alcoa's rating from "Neutral" to "Underweight" due to concerns over valuation after a significant increase in the company's stock price [1][2]. Group 1: Rating Change - The rating for Alcoa was downgraded from "Neutral" to "Underweight" by Morgan Stanley [1][2]. - Analyst Bill Peterson raised the target price from $45 to $50 per share, indicating approximately a 20% downside from Wednesday's closing price [1][2]. Group 2: Stock Performance - Prior to the downgrade, Alcoa's stock had performed strongly, surging 74% over the past year [3].