The article “Stocks making the biggest moves ahead of Nvidia’s earnings” analyzes significant market shifts in anticipation of Nvidia’s upcoming Q2 earnings report. Nvidia’s stock has surged over 150% this year, driven by its strong AI performance. The article highlights notable stocks influenced by Nvidia’s earnings projections, including C3.ai, expected to see 50% annual growth; Arm Holdings, poised for accelerated earnings; and UnitedHealth, which recently surpassed earnings forecasts. Retailers like Target and TJX also outperformed market expectations, while Macy’s and Franklin Resources faced declines due to poor earnings and external challenges. American Express shares dropped after a downgrade from Bank of America, reflecting concerns about consumer spending.