Key Takeaways DELL surged 95.6% since its Zacks Recommendation was upgraded to Outperform on April 21. CAT gained 43.4% in 12 weeks as a Zacks Focus List holding, beating the S&P 500 over that span. AMKR jumped 83.4% since Jan. 5, 2026, as a Zacks Top 10 Stock for 2025. Last Friday, the three major Wall Street indexes closed a mixed week. While the Dow Jones Industrial Average managed a 0.6% progress, the S&P 500 and the Nasdaq fell 2.1% and 4.7% respectively.