Mega-Cap Momentum Carries Market Despite Broader Weakness

The stock market opened today with a surge in its largest components after a federal judge ruled that Alphabet (GOOG 231.10, +19.11, +9.01%) can retain its Chrome browser, but the broader market failed to keep pace, leaving index-level gains limited and the major averages mixed by the close.

The Nasdaq Composite (+1.0%) led the charge, buoyed by tech strength, while the S&P 500 (+0.5%) managed to hold a modest gain after flirting with its flatline. The DJIA (-0.1%) lagged throughout the session, spending the entire day in negative territory.

Alphabet’s rally was the clear star of the day, propelling the communication services sector (+3.8%) to a record high. Apple (AAPL 238.47, +8.75, +3.81%) also benefited from the ruling, which preserves Google as the default search engine on iPhones, helping the information technology sector (+0.5%) add to its recent gains. Consumer discretionary stocks (+0.5%) got a boost as well, with Tesla (TSLA 334.09, +4.73, +1.44%) logging another solid advance.

The Vanguard Mega Cap Growth ETF ended up 0.9% for the day, highlighting how concentrated mega-cap gains were in driving index-level performance. The market-weighted S&P 500 (+0.4%) decisively outperformed the equal-weighted index (-0.4%), underscoring just how much influence the largest names had in today’s action.

Elsewhere, retailers showed mixed results. Macy’s (M 16.28, +2.79, +20.68%) soared after a strong earnings beat, but Dollar Tree (DLTR 102.03, -9.32, -8.37%) dropped sharply on flat Q3 guidance despite topping EPS and revenue estimates. The SPDR S&P Retail ETF still managed a 0.5% gain.

Seven S&P 500 sectors closed lower, though most losses were contained. The energy sector (-2.3%) was the lone standout to the downside, pressured by a $1.60 decline in crude oil (-2.1%) to $64.00 per barrel, amid reports that OPEC+ may discuss increasing output at its upcoming meeting.

Smaller-cap names sat out the rally, with the Russell 2000 down 0.2% and the S&P Mid Cap 400 off 0.4%.

Outside of corporate headlines, monetary policy took center stage. Fed Governor Christopher Waller (voting member) expressed support for a September rate cut, citing a softening labor market despite the potential for a near-term inflation bump. A weaker-than-expected July JOLTS report added weight to the case for easing. St. Louis Fed President Alberto Musalem echoed concerns about weakening employment but warned that tariff-related inflation could linger longer than anticipated. Atlanta Fed President Raphael Bostic said he could support a September cut if labor conditions deteriorate further.

Fed independence was also in the spotlight, with Waller stressing the importance of central bank autonomy when asked about governance issues, even as legal challenges over Fed Governor Lisa Cook’s position played out in court.

Rate expectations firmed, with the CME FedWatch Tool showing a 95.6% probability of a 25-basis-point cut in September, up from 92.7% the day prior.

Today’s session was a stark reminder of how dependent the market’s direction remains on its largest players. Despite a cautious tone across most sectors, mega-cap momentum provided the lift necessary to keep the indices moving higher.

Our model portfolio FTInvest 11 managed to edge higher in today’s session, rising 0.10% and closing at 844.04. The portfolio spent most of the day trading close to the flatline but gradually gained traction toward the close.

The index’s modest uptick shows that buyers are still willing to support prices near current levels despite recent volatility. Today’s finish leaves FTInvest 11 comfortably above the key 840 support zone, signaling resilience after the prior sessions’ consolidation.