SPX Market Breadth

Distribution of constituent daily returns vs. their cap-weighted contribution to the index. Where the curves diverge, the index is being pushed by names that are out of sync with the broader market.

As of2026-10-16 Coverage503 of 504 constituents SPX -1.10%
Stocks Up:249
Stocks Down:254
SPX Daily: -1.10%
Avg Daily:-0.40%
Avg Gain:+1.31%
Avg Decline:-2.08%
Avg Decline -2.08%Avg Daily -0.40%Avg Gain +1.31% -10%-5%+0%+5%+10% NVDA-1.43%AAPL+0.43%MSFT-1.93%AMZN-1.87%GOOGL-2.47%GOOG-2.32%AVGO-4.52%META-3.72%TSLA-2.13%LLY+0.43%MU-5.63%WMT+0.80%AMD-5.95%JPM+1.25%BRK.B+1.21%PLTR-7.22%PANW-7.63%STX-7.50%MRNA-7.82%DDOG-7.19%TWLO-10.62%FLEX-8.16%SMCI-9.86% Unweighted distribution (down / up) Weighted (cap-weighted) Daily return (%)

SPX Constituents Relative Impact By Market Cap

Largest Positive Impact
Top ContributorDaily %Impact Share% Weight
AAPL+0.43%1.54%7.23%
XOM+2.46%1.28%1.04%
CVX+2.59%0.81%0.63%
JPM+1.25%0.81%1.29%
RTX+3.73%0.68%0.37%
BRK.B+1.21%0.65%1.07%
PM+2.65%0.60%0.45%
KO+2.07%0.59%0.57%
WMT+0.80%0.54%1.35%
COP+3.37%0.42%0.25%
Largest Negative Impact
Top DetractorDaily %Impact Share% Weight
MSFT-1.93%5.59%5.80%
NVDA-1.43%5.41%7.58%
AVGO-4.52%5.39%2.38%
META-3.72%4.38%2.35%
MU-5.63%4.30%1.53%
AMD-5.95%3.96%1.33%
AMZN-1.87%3.72%3.98%
GOOGL-2.47%3.67%2.97%
GOOG-2.32%3.20%2.76%
PLTR-7.22%2.41%0.67%