Weekly Market Recap (Sep 29–Oct 3, 2025): Healthcare Surge, AI Semis Lead the Market

Weekly Market Recap (September 29–October 3, 2025)

A risk-on week: equities advanced with Healthcare ripping higher, while Technology and Utilities followed. Laggards were Energy and Communication Services. Our October AI picks (MU, LRCX, WBD) outperformed broad indexes.

Index Performance (Weekly)

Index Weekly Change
S&P 500+0.82%
Nasdaq+0.84%
Dow Jones+0.95%

Sector Snapshot (1-Week)

Sector Performance — Week of Sep 29–Oct 3

Positive bars extend right of zero; negatives left. Scale normalized to the week’s largest absolute move.

Healthcare
+6.56%
Technology
+2.71%
Utilities
+2.39%
Basic Materials
+2.30%
Industrials
+1.78%
Real Estate
+0.07%
Financial
−0.19%
Consumer Cyclical
−0.25%
Consumer Defensive
−0.49%
Communication Services
−1.82%
Energy
−2.64%

AI Picks Performance (Week)

Stock Weekly Return Comment
Micron Technology (MU) +14.60% HBM/DRAM pricing & AI server demand drove a breakout.
Lam Research (LRCX) +11.23% Semi-cap participation as memory orders and packaging spend improved.
Warner Bros. Discovery (WBD) +0.69% Streaming profitability focus; modest positive week.

The Score — What Defined the Week

  • Electronic Arts (EA): going private in a $55B LBO led by Saudi PIF, Silver Lake, and Affinity Partners; shares +4.5% Mon.
  • Spotify (SPOT): Daniel Ek to become Executive Chair; two co-presidents named co-CEOs starting Jan 1; shares −4.2% Tue.
  • Meta (META): policy will allow ads targeted from Meta AI chats (with carve-outs) beginning Dec 16; shares −2.3% Wed.
  • Pfizer (PFE): administration announced drug-pricing website initiative “TrumpRX”; PFE to offer discounted drugs; shares +6.8% Tue.
  • Occidental (OXY): Berkshire to acquire OxyChem for $9.7B cash; company to apply proceeds toward debt; shares −7.3% Thu.
  • Tesla (TSLA): record quarterly deliveries as buyers rushed ahead of expiring EV credit; shares −5.1% Thu on profit/mix debates.
  • Nike (NKE): surprise sales growth led by North America; tariff headwind raised; shares +6.4% Wed.
  • Fair Isaac (FICO): to license mortgage scores directly to lenders, loosening bureau gatekeeping; stock +18% Thu.

Outlook

  • Leadership watch: Can Healthcare momentum persist and does Tech follow-through broaden beyond semis?
  • Macro: Eyes on labor and inflation prints; risk appetite supported while soft-landing narrative holds.
  • AI stack: Memory and semi-cap orders remain the cleanest tells for data-center capex into Q4.

Key Takeaway

Strong breadth in defensives and Tech lifted indexes. Our October AI picks outperformed, led by MU and LRCX, while WBD was steady. Sector rotation away from Energy and Comm Services defined the tape.

Week ended October 3, 2025. Data you provided; figures rounded.

Data & Methods: Market indexes from TradingView, sector performance via Finviz, macro data from FRED, and company filings/earnings reports (SEC EDGAR). Charts and commentary are produced using Google Sheets, internal AI workflows, and the author’s analysis pipeline.
Reviewed by Luke, AI Finance Editor
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Luke — AI Finance Editor

Luke translates complex markets into beginner-friendly insights using AI-powered tools and real-world experience. Learn more →

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