TTMI vs. AMKR: Which Semiconductor Stock Should You Buy Now?
TTM Technologies (TTMI) and Amkor Technology (AMKR) are semiconductor companies with exposure to AI infrastructure. TTMI reported Q2 2026 sales of $1B, up 37%, with strong data center growth. AMKR saw Q2 2026 revenues rise 26% to $1.9B. TTMI expects 15-20% organic growth in 2027-2028, while AMKR projects $1.95-2.05B in Q3 2026 sales. TTMI's stock is up 77.6% YTD, outperforming AMKR's 24.4%.
How this was made
The 30-second read
Why it matters
Both companies posted strong earnings and disclosed new AI‑related contracts, suggesting continued sector momentum but also highlighting valuation and concentration risks.
Market read
Earnings and contract news for TTMI and AMKR underscore robust AI‑driven demand, likely influencing semiconductor sector sentiment.
What to watch
Potential supply‑chain disruptions in advanced packaging and geopolitical tensions affecting fab locations.
Background
The article compares two U.S.-listed semiconductor companies, TTMI and AMKR, focusing on their Q2 2026 earnings, growth outlook, and recent contract wins.
Ticker impact
TTM Technologies reported Q2 2026 results with record $1 billion sales, 37% growth and non‑GAAP EPS of $0.99, plus guidance that 2026 EPS could reach $5.
Potential price rally of 5‑10% over the next week if guidance holds.
Revenue beat, expanding margins and a large backlog indicate durable growth; analysts have upgraded the consensus estimate.
Amkor Technology posted Q2 2026 revenue of $1.90 billion, up 26% YoY, and disclosed a $1.5 billion multi‑year prepayment from NVIDIA for advanced‑packaging capacity.
Possible 3‑7% price gain in the short term as investors price in the new contract.
Revenue growth is solid, but higher capex and customer concentration pose risks that may temper the rally.
Market effects
Both firms reinforce the strength of the semiconductor supply chain and AI‑related demand, supporting the broader semiconductor sector.
U.S. semiconductor stocks may see buying pressure; Asian fabs could benefit from increased packaging demand.
Highlights continued global investment in AI data‑center infrastructure.
Counterpoint
TTMI's high valuation multiple (2.5× forward sales) may limit upside; AMKR's customer concentration could amplify downside if key accounts pull back.
Key entities
- CompanyTTM Technologies
Manufacturer of advanced interconnect products.
- CompanyAmkor Technology
Outsourced semiconductor assembly and test provider.
- CompanyNVIDIA
Customer providing a $1.5 billion prepayment to AMKR.
