S&P Global (SPGI) received a rating upgrade to a Zacks Rank #2 (Buy) on December 5, 2025. This change is primarily based on an upward trend in the company's earnings estimates, which Zacks identifies as one of the most powerful forces that can impact stock prices. The Zacks rating system focuses on the changing earnings picture as a core component of its stock-ranking methodology. This upgrade suggests a more positive outlook on the company's near-term performance from the research firm. While the upgrade is a positive signal for investors, no significant market reaction or analysis specific to this announcement was available. S&P Global's index division, S&P Dow Jones Indices, also made routine announcements regarding the quarterly rebalancing of several international indices, including the S&P/ASX 200.