Weekly Recap: A Quiet Index Hid the Widest Mega-Cap Split of the Year (July 31, 2026)

AI Stocks Plus Smart Market Dashboard — Weekly Recap, July 31, 2026

The Week in One Number — and Why It’s Misleading

The S&P 500 (SPY) closed the week at $745.74, up just 0.9%. On the surface, a sleepy summer week. Underneath, Q2 earnings season produced the widest mega-cap dispersion we’ve tracked this year.

The Movers

Amazon was the standout, surging 15.0% in a single session to $270.73 — up 16.6% for the week — after results landed well ahead of expectations. Alphabet climbed 6.5% to $355.41, and Microsoft’s post-earnings run left it up a remarkable 21.1% on the week at $462.16.

Apple told the opposite story, falling 9.4% to $302.01 — a sharp reminder that even the world’s largest companies reprice hard when results disappoint. Nvidia (+1.8%), Meta (+2.0%) and Tesla (+0.5%) finished Friday modestly higher; Nvidia’s own report doesn’t arrive until late August.

Sector Scoreboard

Friday’s sector snapshot mirrored the single-stock story: Communication Services led at +2.74%, followed by Consumer Cyclical (+1.44%) and Energy (+0.77%). Technology (-1.57%) and Real Estate (-2.73%) lagged as the rotation out of extended names continued.

The AI Signal

When one week produces both a -9% and a +15% move in the market’s biggest names, single-name risk is doing more work than index risk. In this environment, diversification, position sizing and disciplined research matter more than calling the market’s next direction — exactly the kind of problem data-driven tools are built for. Explore the full analytics suite at AI Stocks Plus.

Week Ahead (Aug 3–7)

Friday’s jobs report is the first read on the labor market since the Fed’s July decision, with ISM manufacturing and services data earlier in the week and Q2 earnings continuing to roll in.

Educational only, not financial advice. Markets carry risk.