Fed rate decision and big‑tech earnings spark sharp market volatility

The S&P 500’s average daily move hit 1.02% over the past ten trading days—the strongest swing since March 2023—after a soft inflation print, a surprise rise in July unemployment, and mixed earnings from the “Magnificent Seven” tech giants spurred heightened market turbulence [1].

Inflation, jobs and the Fed’s policy cue

A soft inflation report in early July lifted expectations for rate cuts, but the July jobs report showed the unemployment rate jump to 4.3%, triggering the recession‑signal Sahm rule and a surge in the VIX to its yearly high [1]. In response, CME Group’s FedWatch tool reflected a 72% probability of a 0.5‑point cut at the September FOMC meeting, up sharply from 22% the day before [1]. The shift in rate‑cut pricing coincided with a 1.8% decline in the S&P 500 on Friday, marking its longest three‑week losing streak since April [1].

Big‑tech earnings and AI‑spending concerns

Four of the world’s largest tech firms reported earnings in the same week, with three days seeing S&P 500 moves exceeding 1% [1]. While Meta posted better‑than‑expected results, Amazon’s weaker numbers reignited worries about massive AI‑related capital expenditures at firms like Alphabet, Microsoft and Amazon [1]. In Asia, semiconductor stocks led a sell‑off after SK Hynix, despite a six‑fold profit jump, fell 9% amid doubts that AI‑driven valuations were justified [2]. The broader Asian market fell 2.45% on the MSCI index, reflecting investor demand for concrete AI‑related cash‑flow evidence [2].

Energy prices and geopolitical risk adding to uncertainty

Oil prices rose more than 3% after fresh Middle‑East attacks, pushing Brent above $87 per barrel and WTI above $82, reviving inflation concerns just hours before the Fed’s policy decision [2]. Analysts at Citadel Securities warned that higher energy costs could push the Fed toward a more hawkish stance, despite market expectations of a steady‑rate outcome [2].

What to watch

• July 31 Fed meeting: final rate decision and any forward guidance on cuts.
• Upcoming earnings: Microsoft and Meta results later this week for further clues on AI spending returns.
• Oil price levels: Brent above $90 could reignite inflation worries and affect Fed policy expectations.

The convergence of a softer inflation backdrop, a surprising rise in unemployment, and mixed signals from AI‑heavy tech earnings has amplified volatility, leaving markets poised to react to the Fed’s next move and the ability of tech giants to monetize their AI investments.