Buy Hold Sell: 4 Hot Megatrends Shaping Markets - and 2 on the Rise

Livewire Markets
Livewire MarketsMar 16, 2026

Why It Matters

Understanding which sub‑segments within these megatrends deliver real earnings growth helps investors allocate capital to resilient, low‑volatility opportunities as AI, infrastructure spending, and demographic shifts reshape the market.

Key Takeaways

  • AI software with proprietary data offers hidden value amid hardware hype
  • US regulated utilities poised for earnings from rising electricity demand
  • Electrical equipment makers benefit from data‑center power‑density growth
  • Defense spending shifts toward technology, not traditional hardware manufacturers
  • Aging‑population healthcare remains stable, low‑volatility investment opportunity for investors

Summary

The video walks through four dominant megatrends—AI, infrastructure, energy and defense—while flagging two emerging themes, aging‑driven healthcare and broader AI adoption, as the next wave for investors.

Panelists argue that the current AI market is over‑weighted toward semiconductor winners, but software firms that own proprietary data, regulatory lock‑ins or network effects can embed AI agents to boost productivity, creating hidden upside. In infrastructure, the focus shifts to real‑asset investments such as grid hardening, rail and offshore drilling, with U.S. regulated utilities standing out as they ride a 1.7% annual electricity demand rise driven by AI‑powered data centers.

Energy discussion highlights electrical‑equipment manufacturers like Schneider and Eaton, which benefit from the surge in data‑center power‑density and new products such as high‑voltage DC links. Defense spending, once driven by episodic geopolitical shocks, is now maturing into a technology‑focused budget, favoring chip providers and strategic‑asset firms over traditional weapons makers. The hosts also cite healthcare’s 30‑year track record of tech‑like returns with lower volatility, underscoring aging demographics as a durable, low‑risk theme.

For investors, the takeaway is to look beyond headline hardware plays: target AI‑enabled software, regulated utility utilities, full‑stack electrical equipment, and mid‑cycle industrials like equipment‑rental firms, while keeping an eye on the demographic tailwinds in healthcare and the global diffusion of AI across sectors.

Original Description

AI, energy, infrastructure and defence might look like separate mega trends, but like a giant flywheel, they’re increasingly feeding into one another, creating a feedback loop that is reshaping industries, investment opportunities and the global economy.
The AI boom isn’t just driving demand for semiconductors and cloud computing, it's also triggering a surge in electricity demand, forcing utilities and governments to invest heavily in power generation and grid infrastructure.
On top of that, war and rising geopolitical tensions is driving a structural increase in defence spending, with technology, semiconductors and strategic infrastructure playing a bigger role in modern defence systems.
In markets, this means that the biggest opportunities can often sit where these trends overlap one another, and not in a single theme.
In this episode of Buy Hold Sell, we ask Vihari Ross of Antipodes and Casey McLean of Magellan where they see the best value across the biggest trends shaping markets today and which megatrend could drive the next wave of opportunity.
Timecodes:
00:09 - Intro
00:29 - AI: hardware boom, software opportunity?
03:35 - Infrastructure: a broad opportunity set
06:29 - Energy: follow the power demand
08:59 - Defence: a structural spending shift
12:02 - Trends for tomorrow - healthcare
13:35 - Trends for tomorrow - AI adoption

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