Markets Hit All-Time Highs Amid Sector Volatility
The holiday-shortened week delivered a milestone as the S&P 500 surged past 6,200, closing at a record high of 6,279 points. While broad indices marched to new highs, underlying market action revealed a stark divergence: speculative sectors such as cannabis saw explosive gains, while policy-sensitive names, particularly in healthcare, faced significant pressure.
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Biggest Gainers
Cannabis Sector Rally
The cannabis sector lit up the tape, with several names experiencing outsized daily moves:
4Front Ventures (FFNTF): Gained between 60–100% depending on the day
Belgravia Hartford (BLGVF): +22%
Auxly Cannabis Group (CBWTF): +14.5%
Pharmadrug (LMLLF): Surged 75% on June 30
Tech Stocks with Catalysts
Datadog (DDOG): Jumped 10–17% after being added to the S&P 500, replacing Juniper Networks
Oracle (ORCL): Gained 12.88% on record highs after new OpenAI partnership and strong cloud momentum
Robinhood (HOOD): +13.69% after launching tokenized equity trading in the EU
Other Notable Winners
Tesla (TSLA): Posted 4–5% daily gains after better-than-expected deliveries
First Solar (FSLR): +8% on optimism around U.S. solar policy
Tripadvisor (TRIP): Surged 16% after Starboard Value disclosed a 9% stake
Nike (NKE): +4.1% on optimism over a new Vietnam trade deal
Biggest Losers
Healthcare Gets Hit
Centene (CNC): The week’s biggest loser, down 38–40%, after withdrawing full-year guidance
UnitedHealth (UNH): Fell 5.7% in sympathy
Humana (HUM): -3.5% as sector-wide cost concerns mounted
Other Major Declines
Fortive (FTV): Dropped 25.91% after spinning off its precision tech division
AeroVironment (AVAV): Fell 11.45% following a $1.35B public offering
Intel (INTC): Slid 4.3% amid reports of changes to its chip manufacturing strategy
Sector Rotation in Focus
Markets saw a rotation into cyclical sectors, with investors seeking exposure to real-economy tailwinds:
Energy: +1.70%
Materials: +1.33%
Information Technology: +1.30%
Meanwhile, Healthcare (-0.97%) and Utilities (-0.87%) lagged as concerns about costs and defensive positioning weighed on sentiment.
AI Infrastructure Stack: Four Stocks to Watch
This week, we turn to AI infrastructure, a fast-evolving ecosystem spanning software orchestration, energy efficiency, hardware manufacturing, and edge processing. These four companies represent key pillars of the next generation of computing infrastructure.
Nutanix (NTNX) – The AI Infrastructure Orchestrator
Nutanix is central to enterprise GenAI deployment, offering a flexible platform with 85.84% gross margins and 14.82% YoY revenue growth.
Key Catalysts:
Healthcare Dominance: 99% of healthcare firms now use GenAI—but 96% cite security concerns Nutanix directly addresses
NVIDIA Integration: Native support for NVIDIA AI Enterprise boosts multi-cloud AI capabilities
Cloud-Native Future: Their Kubernetes and AOS platforms remove hypervisor lock-in, enabling scale-out AI adoption
Strategic Role: Positioned as a go-to provider for IT modernization—a prerequisite for AI at scale
Navitas has grown its pipeline by 92% YoY to $2.4B, led by surging demand from AI data centers.
Why It Matters:
Massive Power Demands: AI GPU power has surpassed 1,000W; cluster computing demand doubles every 3 months
NVIDIA + Hyperscaler Partnerships: Deep integration with next-gen data center architectures
Production-Ready: Q4 qualification of their 200mm GaN wafers via PSMC unlocks scale
Efficiency Leader: Their PSUs hit 98% power efficiency, critical in an era where AI energy demand is set to 30x by 2035
Celestica (CLS) – The AI Hardware Manufacturer
Celestica generated record revenue of $9.65B in 2024 and is emerging as a foundational player in hyperscale AI hardware.
AI Tailwinds:
Explosive Segment Growth: AI-driven platforms grew 99% YoY to $1B+
Elite Customer Base: Serving Microsoft, Meta, Amazon, and Grok
Q1 Results: $2.65B in revenue (+20%), with Connectivity & Cloud segment up 28%
ODM Advantage: Original design model allows IP retention and margin expansion
Upgrades: Price targets raised to $120–140 as CLS becomes a hardware kingpin in the AI stack
Himax Technologies (HIMX) – Edge AI Vision at Scale
Though lesser known, Himax is staking a claim in AIoT (AI + Internet of Things), building out capabilities in semiconductors, optical systems, and display tech.
Strategic Positioning:
AIoT Investment: Highlighted innovation at Embedded World 2025
Regional Edge: Partnerships with Tata and PSMC target Indian semiconductor growth
Edge Market Boom: With 29% CAGR expected in Edge AI servers through 2029, Himax’s solutions grow in relevance
The Risk Framework
These four names come with caveats:
Customer concentration (Celestica derives 73% of revenue from top 10 customers)
Supply chain fragility, particularly for fabs and substrate providers
Relentless tech cycles, demanding aggressive R&D to maintain edge
Still, the convergence of AI adoption, infrastructure modernization, and energy efficiency imperatives creates a powerful multi-year tailwind. These aren’t just growth stories—they’re foundational players in the next computing paradigm.
Overnight Markets
Asia: Nikkei -0.56%, Shanghai +0.02%
Europe: FTSE +0.04%, DAX +0.60%
US Pre-Market (As of 6:45 AM ET, July 7, 2025)
Final Take
The week ahead looks relatively quiet on the data and earnings front, but geopolitical noise is filling the gap. U.S. equity futures are pointing lower to start Monday, as fresh tariff threats and looming trade deadlines from the administration over the weekend reintroduce a layer of headline risk. With the macro calendar light, markets may trade more on narrative than numbers in the days ahead.