Trio-Tech's bear case has been validated: growth is slowing and margins are bad. The stock fell 30% on the quarter, which @JonkooTrades, a bull who admits defeats publicly, said he could not explain. x.com 

Trio-Tech's business looks misaligned with what the market needs. It sells burn-in boards that customers can design out quite easily, and Aehr Test Systems could build a competing segment fairly quickly. It is also heavily concentrated in one customer, risky for such a small company; Aehr is concentrated too, but its customers keep coming back for more. x.com 

Trio-Tech is a high-conviction, high-risk asymmetric bet on burn-in testing demand for AI chips. Q3 revenue rose 124% to $16.5 million, new orders of $5.3 million and $2.6 million cover burn-in boards for next-gen AI GPUs, and a $10 million raise funds a Malaysia facility. At about $160 million it trades far below peers, with trailing EPS now positive. Risks: gross margin fell to 16% from 27%, dilution, insider selling, a run from $2.45 to $21.38 then a sharp pullback, and thin liquidity. x.com 

Aehr Test Systems is the cleaner AI burn-in play, with a structural edge in wafer-level burn-in that nobody else has and a $41M single order from a hyperscaler in April. Its roughly 25x premium to Trio-Tech reflects equipment margins and that moat, not mispricing. Trio-Tech grew revenue 69% but its services margin fell to about 16% as low-margin AI testing grew, and it raised equity 30-40% below market, so at $13 it looks fairly priced. 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 

Trio-Tech is a risky but compelling micro-cap sitting in the middle of a burn-in testing bottleneck. Growth is huge year over year, potential new customers include Micron, and CPU demand should soar in the inference era while Trio-Tech handles burn-in testing for AMD. Real estate is roughly 10% of its market cap, and the multiple looks ridiculous if execution continues. @JonkooTrades notes Zacks just initiated the first Wall Street coverage, at Neutral, citing AI burn-in orders. x.com 

inTEST's Q1 dip is short-term noise, since the real revenue should arrive in the second half of 2026 as orders tied to silicon photonics and HBM testing flood in. Revenue rose 27.2% to $33.9 million, margins expanded 400bp to 45.5%, backlog grew 35.5% to $51.8 million, and 2026 guidance rose to $130-135 million. The stock fell because new orders dropped 15.2% sequentially to $31.8 million, but hitting guidance implies heavy H2 orders, with volume testing lagging 1.6T sampling by 3-6 months. … 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 

Trio-Tech's burn-in board orders keep accelerating because every AI GPU and CPU must pass burn-in testing before it ships. It announced another $2.6 million of orders for boards supporting a next-generation AI GPU platform, lifting this quarter's total above $5 million on top of $5.3 million in March. Last quarter's revenue rose 124% year over year, and a new 104,000 sq ft lease in Penang points to a multi-year ramp. Gross margins remain under pressure as it scales. x.com 

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