Tech Earnings Propel Markets to Record Highs Despite Geopolitical Tensions and Mixed Big Tech Results

The S&P 500 and Nasdaq capped off a stunning April with fresh record closes, delivering their best monthly performance since 2020 despite navigating Middle East conflict, Federal Reserve uncertainty, and a decidedly mixed earnings season from tech giants. The Nasdaq composite surged nearly 1% on the day to finish April up 15.3%—its strongest month since the volatile early pandemic trading of 2020—while the S&P 500 also posted its best April in years.

The day's gains revealed a striking divergence in market leadership. While the technology sector actually declined on Thursday, weighed down by Nvidia's sharp 4.6% drop, unexpected strength emerged from industrial names. Caterpillar's shares jumped 9.9% after the construction-equipment maker raised its full-year guidance, citing surging demand from AI-supporting data centers—a signal that the AI buildout is spreading beyond traditional tech stocks. The Dow industrials climbed 1.7%, powered by Caterpillar and other non-tech winners.

Big Tech's earnings painted a complicated picture. Microsoft, Alphabet, Meta, and Amazon all reported "bumper earnings" buoyed by AI proliferation, yet investors punished several for forward guidance concerns. Meta plunged more than 8% after announcing aggressive spending plans for AI data centers, while Microsoft slumped 3.9% over its own cost worries. Alphabet was the standout winner, soaring 10% on strong cloud business momentum. The market's selective embrace of these results—rewarding some AI winners while penalizing others for spending commitments—suggests investor appetite for AI gains is conditional on disciplined capital allocation.

Underlying economic headwinds persist. The Federal Reserve's preferred inflation gauge reflected upward pricing pressure from elevated energy costs tied to the Iran conflict, while first-quarter GDP came in softer than expected as consumer spending slowed. Oil futures ultimately retreated 1.7% to $105.07 a barrel after initially spiking on reports that President Trump would be briefed on new military options regarding Iran. Central banks worldwide—the Fed, ECB, and Bank of England—all held rates steady, suggesting a wait-and-see approach as markets grapple with both inflationary signals and growth concerns.