Core Viewpoint - Sunrun Inc (NASDAQ:RUN) has experienced a downgrade from Jefferies, which has impacted its stock price negatively, indicating a shift in market sentiment towards the company [1]. Group 1: Analyst Ratings and Market Sentiment - Jefferies downgraded Sunrun from "hold" to "underperform" and reduced its price target from $6 to $5, while upgrading First Solar to "buy" [1]. - Among 24 analysts covering Sunrun, 11 have a "buy" or "strong buy" rating, 11 have a "hold," and 2 have a "sell" or worse rating, reflecting mixed sentiment in the market [2]. Group 2: Stock Performance and Trading Dynamics - Sunrun's stock has seen a significant increase since a bear gap of 37.1% on May 22, following the passage of a tax bill, but is down 7.9% year to date [3]. - Short interest in Sunrun has decreased slightly but still represents 28.6% of the stock's available float, indicating potential pressure on the stock if short positions need to be covered [3].