Teng Yan
Founder of Tessara, AI Buildout & Supply-Chain Research
Advantest beat because it simply grew at its own historical upcycle pace, which Wall Street underestimated. Revenue came in at ¥367B versus ¥336B consensus and a ¥360B forecast; analysts modeled just 2.3% sequential growth, while Advantest's median in an upcycle is closer to 10%. Earlier reports from Teradyne, TSMC and Disco had already signaled HBM4 pulling tester demand forward; Teradyne memory-test revenue below $170M or an AI mix under 65% would have broken that chain. x.com
Advantest should beat because HBM4 is pulling tester demand forward across the supply chain. Tessara's supply-chain nowcast puts 40% odds on revenue above ¥365B, versus Wall Street at ¥335.6B to about ¥350B. TSMC printed a record June quarter, Disco beat, Teradyne posted record memory-test revenue and SK hynix confirmed HBM4 shipments began in Q2. The main risk is timing: revenue is booked when testers ship, so an H2 delivery wave would make the call right but early. x.com
Advantest proved it deserves a premium valuation: its SoC tester market share rose from 56% in 2024 to 66% in 2025, widening its lead over Teradyne. It also received its first high-volume ATE order for silicon photonics. x.com
Aehr Test Systems stands to benefit as testing takes a larger share of expanding semiconductor capex. Teradyne CEO Greg Smith says test's share of semiconductor capex rose from 6.4% in 2025 to 8.1% in the first eight months of 2026, with conditions favorable for prolonged ATE growth. Data-center reliability is pushing testing upstream from systems toward packages and wafers, where Aehr dominates wafer-level burn-in. Aehr lacks a dedicated CPU segment. x.com
Advantest looks expensive even on peak-cycle earnings, at about 40 times its 2028 earnings. @holden_commodor argues testing is the ultimate semiconductor bottleneck after memory, with Advantest dominant ahead of Teradyne, and would buy if the drop continues. x.com
Aehr Test Systems stands to benefit because testing is a bottleneck to scaling AI chips. Testing demand is about to surge. Investors did not question its price-to-sales ratio at 120, despite the current P/S objection. x.com x.com
Teradyne looks less dominant in CPO testing than expected after it acknowledged Advantest's capabilities on its earnings call. Per GF Securities, low TSMC SoIC yields have led the industry to cut 2026 CPO shipment forecasts, and Teradyne enters a 2H26 transition: Q2 guidance implies a 6% sequential drop, 55-60% of 2026 revenue falls in the first half, and it trades at 47x 2026 earnings. GF still sees long-term CPO upside, with 2027 CPO revenue possibly $800M. x.com x.com
Teradyne supplies the testing behind the AI revolution, with fundamentals accelerating and technicals confirming. x.com
Teradyne's growth is slowing, undercutting the AI-test growth valuation that lifted shares 242% in 2025. Q1 revenue nearly doubled to $1.28 billion and EPS of $2.56 beat the $2.04 estimate, but Q2 guidance of $1.15-1.25 billion is nearly 10% lower at the midpoint, and gross margin falls to 58-59% as one-off gains fade. Merchant GPU test revenue is only about $50 million this year against Advantest's entrenched lead, and about 70% AI exposure with concentrated customers magnifies tariff risk. … Show more
Teradyne's test business is surging because rising AI chip complexity multiplies testing demand. Q2 revenue was a record $1.329 billion, up about 104% and above consensus, and Semiconductor Test revenue rose 128% to $1.122 billion. Management said AI is now its primary growth engine, contributing about $1.2 billion of Q2 revenue across compute, HBM and networking. More sophisticated GPUs, ASICs and HBM need far more testing, making its high-end ATE mission-critical. x.com
SK hynix's contracted capacity gives its AI-memory demand case more visibility. It reported an 80% operating margin on ₩104.6 trillion of revenue, with sales more than quadrupling year over year and over half of 2027 and 2028 capacity under long-term contracts. Vertiv's sales grew 61%, orders more than doubled, and it raised full-year guidance again; so far, AI demand is still accelerating. x.com
Advantest and Tokyo Electron are being sold for a borrowing-cost problem their largely cash-funded chipmaker and big-tech customers do not share. Hot US inflation has revived Fed hike expectations, squeezing debt-funded AI builders such as SoftBank, but panic has also hit these suppliers; the opportunity comes once forced selling ends. x.com
