SPX Market Breadth — MBAD

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 of2026-08-12 Resolved503 / 504 SPX +0.27%
Stocks Up:261
Stocks Down:241
SPX Daily: +0.27%
Avg Daily:+0.20%
Avg Gain:+1.59%
Avg Decline:-1.31%
Avg Decline -1.31%Avg Daily +0.20%Avg Gain +1.59% -20%-10%+0%+10%+20% NVDA+3.03%AAPL-0.87%MSFT-2.26%AMZN-1.83%GOOGL-0.08%AVGO-0.01%GOOG-0.18%META-3.38%TSLA-1.59%LLY+0.43%MU+4.92%JPM+0.87%WMT+2.43%AMD+1.82%BRK.B-1.24%ANET+6.39%STX+7.03%DELL+9.87%HPE+8.11%COHR+8.24%LITE+13.63%CIEN+11.49%SMCI+19.02% 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+3.03%14.79%7.68%
MU+4.92%4.48%1.43%
ORCL+5.36%2.08%0.61%
WMT+2.43%2.03%1.32%
LRCX+4.72%1.71%0.57%
AMAT+4.29%1.66%0.61%
INTC+3.32%1.52%0.72%
ANET+6.39%1.48%0.36%
DELL+9.87%1.31%0.21%
AMD+1.82%1.30%1.13%
Largest Negative Impact
Top DetractorDaily %Impact Share% Weight
MSFT-2.26%7.84%5.46%
AMZN-1.83%4.99%4.29%
META-3.38%4.15%1.93%
AAPL-0.87%3.60%6.50%
TSLA-1.59%1.94%1.92%
HD-3.12%1.02%0.52%
PLTR-2.23%0.83%0.59%
BRK.B-1.24%0.83%1.05%
UBER-4.05%0.60%0.23%
V-0.94%0.54%0.90%