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 of2026-10-02 Coverage504 of 505 constituents SPX +0.76%
Stocks Up:293
Stocks Down:208
SPX Daily: +0.76%
Avg Daily:+0.30%
Avg Gain:+1.33%
Avg Decline:-1.14%
Avg Decline -1.14%Avg Daily +0.30%Avg Gain +1.33% -10%-5%+0%+5%+10% NVDA+1.34%AAPL+1.02%MSFT+0.92%AMZN+1.33%GOOGL+1.56%GOOG+1.62%AVGO+3.35%META+0.30%TSLA+4.65%MU-2.05%LLY-0.61%AMD+2.95%JPM-0.24%WMT+0.00%BRK.B+0.43%STX-10.21%WDC-10.22%ACN-6.31%HPE+7.36%MPWR+5.79%TER+8.00%ON+6.01%ECHO+6.80% Unweighted distribution (down / up) Weighted (cap-weighted) Daily return (%)

SPX Constituents Relative Impact By Market Cap

Largest Positive Impact
Top ContributorDaily %Impact Share% Weight
NVDA+1.34%8.04%8.15%
TSLA+4.65%7.03%2.05%
AVGO+3.35%5.93%2.40%
AAPL+1.02%5.31%7.06%
AMZN+1.33%3.83%3.92%
MSFT+0.92%3.79%5.58%
GOOGL+1.56%3.33%2.91%
GOOG+1.62%3.23%2.71%
AMD+2.95%3.20%1.47%
CSCO+3.16%1.46%0.63%
Largest Negative Impact
Top DetractorDaily %Impact Share% Weight
MU-2.05%2.74%1.82%
STX-10.21%2.37%0.31%
WDC-10.22%1.76%0.23%
SNDK-3.79%1.07%0.38%
ACN-6.31%0.97%0.21%
LLY-0.61%0.71%1.59%
JNJ-1.02%0.68%0.91%
APP-4.65%0.43%0.13%
NOW-2.45%0.38%0.21%
GILD-1.87%0.37%0.27%