Core Viewpoint - MasTec (MTZ) has been upgraded to a Zacks Rank 1 (Strong Buy), indicating a positive outlook based on rising earnings estimates, which significantly influence stock prices [1][3]. Earnings Estimates and Stock Performance - The Zacks rating system emphasizes the importance of earnings estimate revisions, which are strongly correlated with near-term stock price movements [4][6]. - An increase in earnings estimates typically leads to higher fair value calculations by institutional investors, resulting in buying or selling pressure that affects stock prices [4]. MasTec's Earnings Outlook - MasTec is projected to earn $6.07 per share for the fiscal year ending December 2025, with no year-over-year change expected [8]. - Over the past three months, the Zacks Consensus Estimate for MasTec has increased by 10.1%, reflecting a positive trend in earnings expectations [8]. 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 [7]. - Only the top 5% of Zacks-covered stocks receive a "Strong Buy" rating, indicating superior earnings estimate revisions and potential for market-beating returns [9][10].