Zacks Investment Research showcased strong performance across its various stock rating systems and portfolios. PBF Energy and Delek US surged following Zacks Rank #1 upgrades, while the Zacks #1 Rank portfolio outperformed the S&P 500 by 2.3 percentage points year-to-date. Notable performers included Palantir (up 38.3% over 12 weeks), Adobe (up 27.6%), Thermo Fisher (up 40.2%), and Monolithic Power Systems (up 30.1% since January 5, 2026). The article emphasizes Zacks' track record of outperforming the market since 1988.