Hey there, bargain hunter.

Today is one of those sessions where you check your positions, see green across the board in semiconductors, and wonder if you missed the entry — or if this is the entry. Let’s work through it.

What Just Happened

On June 15, 2026, the US and Iran confirmed a framework agreement to end hostilities and reopen the Strait of Hormuz. Oil dropped more than 5.5% to around $80 per barrel. Treasury yields fell. And institutional money moved fast — straight into high-growth technology.

The results in semiconductors were immediate. Micron Technology (MU) surged roughly 9.6%, opening around $1,056 after a prior close of approximately $981. Western Digital (WDC) jumped around 6.4%, closing near $563. Advanced Micro Devices (AMD) added close to 4.7%, settling around $511. The PHLX Semiconductor Index posted one of its biggest single-day moves in over a year just days earlier — and today’s session extended that momentum.

This is not a random pop. There’s a direct chain of causation here, and it matters for how you think about what comes next.

Why Tech, Why Now

The Iran conflict had been running hot since early 2026. Oil was up 40% year-to-date heading into this week. That kind of energy shock compresses growth stock multiples — higher input costs, tighter consumer budgets, and the Fed holding rates higher for longer to fight energy-driven inflation. Tech felt all three of those pressures simultaneously.

With the Strait of Hormuz reopening and WTI crude falling toward $80, that entire headwind flips. Rate hike bets recede. Risk appetite recovers. And the money that rotated defensively during the geopolitical spike now needs somewhere to go. AI infrastructure hardware is the obvious destination.

Slight tangent, but it’s worth noting: the Nasdaq 100 climbed 3% on this news and the S&P 500 posted its biggest advance since April. This was not a narrow sector move — it was a broad risk-on session. Semiconductor names just led it.

The Business Behind the Bounce

Micron is not just catching a geopolitical bid. The fundamentals have been building for months.

In fiscal year 2025 (ended August 2025), Micron posted revenue of $37.38 billion — nearly 50% year-over-year growth. Gross margins expanded 17 percentage points to 41%. Operating cash flow jumped from $8.51 billion to $17.53 billion year-over-year. Combined revenue from high-bandwidth memory (HBM), high-capacity DIMMs, and LP server DRAM hit $10 billion — more than five times the prior fiscal year. That is not a cyclical bump. That is a structural shift in the value of what Micron makes.

In fiscal Q1 2026, the company posted record revenue again. For Q2 2026, management guided for $12.5 billion in revenue (plus or minus $300 million) with gross margins exceeding 50%. The Cloud Memory business unit alone generated $5.28 billion in Q1 at a 66% gross margin. That number is worth reading twice.

AI is consuming nearly all memory production capacity. Demand is structurally outpacing supply. Micron’s next earnings report lands June 24. Analyst estimates are running high, and at least two major research firms have raised price targets dramatically in recent weeks — TD Cowen to $1,500 and Wolfe Research to $1,250.

Western Digital is a different animal — it’s a storage play rather than a pure memory company. WDC has gained roughly 185% year-to-date as of this week, driven by AI-related demand for high-capacity hard drives and NAND flash. Exabyte storage demand is forecast to grow above 25% annually, fueled by cloud and AI data requirements. JPMorgan raised its price target on WDC to $650 from $530 just last week.

AMD presents a different angle. Q1 2026 revenue came in at $10.3 billion, up 38% year-over-year. The Data Center segment grew 57% year-over-year. Gross margin expanded to 55%. Free cash flow tripled to $2.6 billion. Management guided Q2 2026 revenue at $11.2 billion with a 56% gross margin. Citi upgraded AMD to Buy just days ago, with the note that GPU upside is not fully reflected in current prices. AMD closed its prior session at $488 and is trading around $511 today.

Is It Still Cheap?

This is where it gets interesting. Micron is trading at roughly 7.6 times forward earnings — a remarkably compressed multiple for a company growing revenue at 50% annually with 66% gross margins in its highest-value business unit. The Motley Fool flagged this valuation specifically, noting that even at 22 times earnings (in line with the S&P 500 forward multiple), the math points dramatically higher.

AMD trades at a richer valuation given its GPU/data center growth trajectory and the absence of Micron’s cyclical memory stigma from prior years. But with a 52-week range from $117 to $546, there is clear market recognition that this is a fundamentally different company than it was 12 months ago.

Western Digital’s 185% year-to-date move sounds stretched. And it might be — the company faces real risks around oversupply if the current AI-driven demand cycle slows, customer concentration risk, and exposure to global trade uncertainty. Worth watching closely before adding here.

Bull, Base, Bear

• Bull: The Iran deal holds, oil stays near $80, rate hike expectations fade further. Micron’s June 24 earnings blow past estimates. HBM pricing holds at premium levels through 2026. AMD’s MI300X-series accelerators continue winning data center contracts. The AI infrastructure build-out accelerates.
• Base: Geopolitical risk eases gradually but not completely. Micron meets guidance, confirms continued HBM strength, and the stock consolidates near current levels before a second leg higher heading into fiscal Q4.
• Bear: The Iran deal frays — it has happened before, including in April 2026 when Iran accused the US of ceasefire violations. If oil spikes back toward $100, the rate picture gets complicated again. Additionally, memory cycles are real — strong demand has historically triggered overinvestment and eventual price compression. The current supply-demand balance is favorable, but it is not permanent.

Action Plan

For MU: if you have been waiting for a re-entry after the June 5 sector selloff, today’s move is the confirmation. The June 24 earnings date is a live catalyst. Chasing a 10% intraday move is never ideal — but trimming into strength above $1,060 and holding a core position into earnings is a reasonable approach. Scale in at two levels: current price for 50%, with the remainder held for any post-earnings pullback.

For WDC: the 185% year-to-date gain demands respect and caution simultaneously. The business is genuinely benefiting from AI storage demand. But at this pace, you are paying for a lot of good news upfront. Hold existing positions. New buyers should wait for a cleaner pullback toward the $500 range or a confirmed earnings catalyst.

For AMD: the Citi upgrade and today’s move suggest the market is beginning to price in GPU upside more aggressively. The Q2 guidance of $11.2 billion at 56% gross margins is not a company in trouble. Position sizing matters here given the run from $117 to $511 in 52 weeks.

Cheap Investor Scorecard

• Micron FY2025 revenue: $37.38B (+48.85% YoY) — confirmed
• Micron FY2026 Q2 guidance: $12.5B revenue, gross margin above 50% — confirmed
• Micron Cloud Business Unit gross margin in Q1 2026: 66% — confirmed
• HBM + high-capacity DRAM revenue in FY2025: $10B (5x prior year) — confirmed
• AMD Q1 2026 Data Center revenue growth: +57% YoY — confirmed
• AMD Q1 2026 free cash flow: $2.6B (tripled YoY) — confirmed
• WDC year-to-date performance: approximately +185% — confirmed
• Exabyte storage demand CAGR forecast: 25%+ over next 3-5 years — confirmed
• MU next earnings date: June 24, 2026 — confirmed
• Iran deal catalyst: Strait of Hormuz reopening, WTI crude near $80 — confirmed

Bottom Line

If the Iran agreement holds and oil stays near current levels, the macro headwind that suppressed tech multiples for months has materially shifted. Micron is the clearest near-term trade with a hard earnings catalyst on June 24. AMD is the longer-duration AI infrastructure play with improving margins and an underappreciated GPU roadmap. WDC has moved fast — respect the move, but do not chase it blindly.

The part people tend to skip: geopolitical deals have broken down before, and energy markets can reverse quickly. Watch oil. If WTI holds below $85, the thesis stays intact. If it climbs back above $95, revisit everything.

June 24 is nine days away. That is the next real data point.

– The Cheap Investor