Markets: 2026-10-09 Close

A sourced recap of the previous completed U.S. trading session. Closing moves are not real-time quotes.

What moved

- **S&P 500 (SPX)**: +0.59%, closed at 7,811.54 - **Nasdaq Composite (COMP)**: +0.64%, closed at 27,366.17 - **Dow Jones Industrial Average (DJIA)**: +0.83%, closed at 51,654.95 - **Russell 2000 (RUT)**: +0.46%, closed at 2,806.98

Sector leaders and laggards

- Leaders: Healthcare +1.64%; Real Estate +1.46%; Consumer Discretionary +1.26% - Laggards: Communication Services -4.34%; Energy -0.21%; Consumer Staples +0.03%

Evidence behind the moves

Humana Inc. (HUM) +11.56%

Humana reported improved 2027 Medicare Advantage Star Ratings, saying 95% of its Medicare Advantage members were in plans rated at least four stars. The ratings affect the insurer's quality-bonus outlook and contrasted with a downgrade at Alignment Healthcare. Dollar volume is estimated from close and share volume.

Sources: dated closing move, market cap and volume · primary company announcement · primary regulatory filing

Crown Castle Inc. (CCI) +15.60%

Tower operators rallied after SpaceX announced an agreement to acquire low-band spectrum for Starlink Mobile. The proposed purchase remains subject to regulatory approval. A large, heavily traded tower operator gained sharply while major wireless carriers fell on the same announcement. Dollar volume is estimated as closing price multiplied by reported share volume.

Sources: dated closing quote, market cap and volume · corroborating catalyst and closing move · primary announcement

Moderna, Inc. (MRNA) +14.21%

Moderna joined the Nasdaq-100 before the October 9 open, as Nasdaq had announced on October 1. The announcement confirms the index change, not that it alone caused Friday's gain. A large-cap biotech posted a double-digit gain on the day its index inclusion took effect. Dollar volume is estimated from close and share volume.

Sources: dated closing move and share volume · October 9 market cap · primary index-inclusion announcement

Alignment Healthcare, Inc. (ALHC) -13.38%

Alignment disclosed that its California HMO contract, serving approximately 75% of health-plan members, was expected to fall from four stars to 3.5 stars in the 2027 Medicare Advantage ratings. The downgrade creates a consequential contrast with Humana's ratings improvement. Dollar volume is estimated from close and share volume.

Sources: dated closing quote and share volume · October 9 market cap · primary disclosure of ratings change

T-Mobile US, Inc. (TMUS) -13.27%

SpaceX's proposed spectrum purchase heightened concern that Starlink Mobile could become a competing U.S. mobile carrier. The steepest decline among the three major U.S. wireless carriers put competitive risk at the center of the session. Dollar volume is estimated from close and share volume.

Sources: dated regular-session close and move · October 9 market cap and volume · corroborating catalyst and move

AT&T Inc. (T) -9.81%

Shares fell amid concern that SpaceX's announced spectrum agreement could strengthen Starlink Mobile as a wireless competitor. Heavy turnover accompanied the carrier sell-off. The quoted percentage uses the source's dividend-adjusted prior close; dollar volume is estimated from closing price and share volume.

Sources: dated closing quote, adjusted percentage move and share volume · October 9 market cap · corroborating catalyst

Verizon Communications Inc. (VZ) -8.75%

Verizon declined with other carriers after SpaceX announced plans to buy low-band spectrum for Starlink Mobile. The third major carrier's decline underscored the breadth of the wireless sell-off. The quoted percentage uses the source's dividend-adjusted prior close; dollar volume is estimated from close and share volume.

Sources: dated closing quote, adjusted percentage move and share volume · October 9 market cap · corroborating catalyst

Fastly, Inc. (FSLY) +15.86%

Oppenheimer upgraded Fastly to Outperform and set a $35 price target, citing factors including larger contracts and interest in its AI-related and security products. A double-digit cloud-infrastructure move followed a reported analyst upgrade. Dollar volume is estimated from close and share volume.

Sources: dated closing move and share volume · October 9 market cap · reporting on analyst upgrade

What remains uncertain

The cited announcements establish events and reported explanations, not the fraction of each price move caused by them. Unconfirmed catalysts remain hypotheses. Closing figures describe this session only.

What to watch next

Check subsequent company filings and results against the claims above, and whether the next sessions sustain or reverse these moves. A follow-up headline alone does not confirm the original explanation.

Stock spotlight

No mover met the source-confidence threshold for a detailed spotlight.

_MacroShed Markets is informational analysis, not investment advice._