What Changed Since Our Last Report

Samsung crossed the $1 trillion valuation mark alongside SK Hynix and Micron. Samsung shares surged as much as 6.51% after the company announced it had shipped samples of its HBM4E memory chip — the next generation beyond HBM4 — to customers globally, according to CNBC. That's actual hardware in customer hands, not a roadmap announcement.

What HBM4E Actually Is

The 12-layer HBM4E chip hits speeds of up to 16 gigabits per second with a 48-gigabyte capacity — more than a 30% jump over the previous generation. Samsung confirmed plans to expand the lineup to 8-layer 32GB and 16-layer 64GB configurations depending on customer demand.

Samsung executive vice president Sang Joon Hwang called it a direct result of "advanced manufacturing capabilities and preemptive infrastructure investments."

Samsung only started shipping its HBM4 chips in February. HBM4E samples are already out the door — a fast cadence for a company that has been playing catch-up to SK Hynix in HBM for the last two years.

The Apple Angle

Several outlets buried this detail: Apple has reportedly been in exploratory talks with Samsung — and Intel — about manufacturing chips for Apple devices on U.S. soil, according to both TechCrunch and The Telegraph India (citing Bloomberg).

Apple has been almost entirely dependent on TSMC in Taiwan for its main processors. A Samsung contract would reshape the semiconductor supply chain. The talks are not confirmed, but they're moving Samsung's stock.

For context: TSMC is the only other Asian company that hit $1 trillion before Samsung. Apple shifting even a portion of chip manufacturing to Samsung would be a geopolitical and economic shift.

The Equipment Side

Applied Materials CEO Gary Dickerson said Thursday on CNBC's Mad Money: "It is the greatest time in the history of the industry and for Applied Materials."

Applied Materials makes the equipment that fabs use to build chips. Dickerson said his customers are already placing orders based on demand projections for 2027 and 2028. The company has visibility years out — almost unheard of in a sector known for violent boom-bust cycles.

Applied Materials stock is up roughly 178% over the past year. Dickerson calls this demand structurally different: AI doesn't stop needing chips the way consumer electronics do.

Arm Holdings

Arm Holdings surged more than 13.5% Thursday, pushing one-month gains above 73%, according to CNBC. The stock has more than tripled year-to-date.

Mizuho Securities raised its price target on Arm to $360 from $290. The move is tied to growing demand for CPUs in agentic AI systems — the kind of AI that takes actions, not just answers questions.

Arm, Intel, and AMD all supply data center CPUs, but Thursday they diverged sharply: Arm +13.5%, AMD +5%, Intel down nearly 1%.

The Strike

Forty-five thousand Samsung workers were preparing to walk off the job for 18 days beginning May 21, 2026, according to The Economic Times — a date that has now passed. If carried out, it would be the largest strike in Samsung's corporate history.

The grievance: Samsung's memory chip workers were offered 607% salary bonuses — more than six times the bonuses offered to logic chip and foundry engineers. The same workers building AI chips for Nvidia and Tesla are watching memory workers get paid multiples more because HBM carries premium margins. When one division is printing money and another is bleeding losses, workers naturally ask why they aren't getting more.

JPMorgan estimates the strike could cost Samsung between $14 billion and $20.79 billion in lost operating profit, with sales losses alone reaching $3 billion. Eighteen days. Up to $20.79 billion in losses.

The Supply Chain Impact

If 45,000 workers walked out at the world's largest memory chipmaker for 18 days, every AI data center build-out in the United States, Europe, and Asia gets squeezed. Every Nvidia GPU shipment that depends on Samsung HBM faces delays. Every cloud provider scrambles.

The same AI gold rush that made Samsung worth $1 trillion is the exact reason its workers threatened to shut it down.

Costs Down the Line

If the strike ran its full 18 days, expect AI infrastructure costs to spike, which means higher costs passed down to anyone paying for cloud services, AI tools, or enterprise software. Consumer electronics prices — already elevated because Samsung pulled investment from consumer chips toward HBM — could climb further.

The semiconductor boom is real. The vulnerabilities inside it are real. Wall Street priced in the boom while the clock ran down to May 21.