Core Viewpoint - Fluor (FLR) has been upgraded to a Zacks Rank 1 (Strong Buy), indicating a positive outlook on its earnings estimates, which is a significant factor influencing stock prices [1][2]. Earnings Estimates and Stock Price Movement - The Zacks rating system is based on changes in earnings estimates, which are strongly correlated with near-term stock price movements [3][5]. - Institutional investors utilize earnings estimates to determine the fair value of stocks, leading to buying or selling actions that affect stock prices [3]. Fluor's Earnings Outlook - The upgrade for Fluor reflects an improvement in the company's underlying business, which is expected to drive the stock price higher as investors recognize this trend [4]. - Analysts have raised their earnings estimates for Fluor, with the Zacks Consensus Estimate for the fiscal year ending December 2025 projected at $2.51 per share, showing a 0.4% increase over the past three months [7]. Zacks Rank System - The Zacks Rank system classifies stocks into five groups based on earnings estimates, with Zacks Rank 1 stocks historically generating an average annual return of +25% since 1988 [6]. - Only the top 5% of Zacks-covered stocks receive a "Strong Buy" rating, indicating superior earnings estimate revisions and potential for market-beating returns [8][9].