Daily Report – 2026-08-21


S&P 500 Report

Top 10 Contributors


S&P 500: 7674.37 | ๐Ÿ“ˆ Up (0.45%)

Market Structure Score


65/100

Neutral Structure
Market internals are generally balanced without a decisive directional signal.

๐Ÿ” Regime shift: Weak / Risk-Off โ†’ Broad Bull
Market Summary
Executive Summary

Market internals strengthened as participation broadened beyond the largest capitalization stocks, reinforcing the durability of the prevailing advance. Most internal measures were broadly consistent with this assessment, although some divergence remains beneath the surface.

Market Character

The internal backdrop remains balanced, with improving conditions offset by pockets of continued weakness. The Market Structure Score of 65/100 reflects moderate confidence in this assessment.

Participation

329 of 502 stocks advanced (โ–ฒ65.5%)
167 stocks declined (โ–ผ33.3%)
6 stocks unchanged
Participation improved versus recent sessions.
Advancers clearly outnumbered Decliners.

Overall, participation remained generally supportive of today’s advance, although breadth was somewhat less robust.

Leadership

Leadership continued to rotate across sectors, indicating investors were reallocating capital without abandoning risk exposure. Rotation of this nature is often consistent with a healthy bull market provided participation remains broad.

Risk Assessment

Rapid leadership rotation suggests institutional conviction remains fluid. Trading conviction remains below recent norms. Should these conditions deteriorate further, confidence in the current market assessment would likely weaken.

Outlook

The market is approaching an important inflection point. Broader participation and firmer leadership would shift the balance toward a more constructive outlook, whereas weaker breadth would increase the probability of renewed internal deterioration.

Bottom Line

The weight of the internal evidence continues to support a broad institutional accumulation market environment with moderate confidence. While short-term price fluctuations are inevitable, sustained improvement in participation and leadership would reinforce the current assessment, whereas renewed deterioration in market internals would warrant a more defensive interpretation.

Market Signals

▶ โœ… Strong participation across index constituents.

▶ โœ… Leadership was broadly distributed across the market.

▶ ๐Ÿ”„ Leadership rotation accelerated.

▶ ๐Ÿš€ Participation expanded sharply from the previous session.

▶ ๐Ÿ’น Winning stocks outperformed losers by a comfortable margin.

Top Contributors (>0.01%)

Ticker Return Contribution Share Impact_Efficiency Rank
TSLA 5.14% 0.09% 8.07% 0.018065 1
GOOGL 1.13% 0.07% 5.99% 0.060797 2
AVGO 1.21% 0.04% 3.22% 0.030490 3
MSFT 0.43% 0.02% 1.84% 0.048795 4
ORCL 3.10% 0.02% 1.66% 0.006150 5
GS 3.73% 0.02% 1.63% 0.005032 6
PLTR 3.44% 0.02% 1.49% 0.004972 7
META 0.75% 0.02% 1.37% 0.021070 8
HOOD 13.70% 0.01% 1.28% 0.001071 9
MS 3.25% 0.01% 1.14% 0.004032 10
LLY 0.88% 0.01% 1.05% 0.013687 11
V 1.45% 0.01% 1.04% 0.008265 12
FCX 7.64% 0.01% 1.02% 0.001536 13
MRK 2.39% 0.01% 0.95% 0.004582 14
AMD 0.81% 0.01% 0.92% 0.013094 15
CSCO 1.32% 0.01% 0.91% 0.007886 16
CAT 1.53% 0.01% 0.90% 0.006719 17
COST 1.52% 0.01% 0.88% 0.006624 18

Definitions:

Contribution โ€“ The weighted impact of a stockโ€™s return on the overall index move
(weight ร— return). This reflects how much each stock actually moved the index.

Share โ€“ The proportion of total index movement attributable to a given stock.
Higher values indicate outsized influence relative to peers.

Impact Efficiency โ€“ The ratio of contribution to return, highlighting how effectively
a stockโ€™s price move translates into index impact (primarily driven by index weight).


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