TSMC's capacity-constrained growth is holding margins through its costly 2nm ramp. Its Q4 revenue guide of $52.3-54.3B beats $49B consensus, implying 14% sequential growth, with 65-67% gross-margin guidance; planned Q4 capex is $19-23B versus $13.8B last quarter. World Trade Securities maintains Overweight and a $620 target. TSMC is also in talks to run Elon Musk's proposed Texas Terafab; additional fab and equipment demand depends on a deal. x.com  x.com 

UMC has gained the leverage to raise chip prices as China/non-China supply-chain decoupling peaks, Nomura says. Customers moving volume to Chinese foundries have largely done so, cutting attrition risk, while TSMC's focus on leading-edge nodes deprioritizes mature ones. UMC has told customers it will adjust pricing in the second half on rising input costs and tight utilization, estimated at about 70% for 8-inch and 80% for 12-inch fabs in Q1, both seen above 80% from Q2. x.com 

TSMC's strong AI demand is straining supply, while solid company fundamentals and attractive semiconductor valuations make an abrupt stop to its advance unlikely. TSMC's Wendell Huang expects 2026-28 capex to be significantly higher than in the previous three years to support customer growth; he says most capex is tied to long-term demand. x.com 

UMC is preferred to GlobalFoundries: its 12nm partnership with Intel targets US production in 2027, offering a way to win customers without building its own US fab. Longer term, logic folding could improve established-node chips without smaller transistors, though UMC has announced no such program and revenue could take years. Shares have recovered, making the entry less attractive; royalty terms are unclear. x.com 

TSMC may lose pricing power as performance gains shift from shrinking transistors to stacking, interconnects and optics, while logic folding could make older processes competitive. Despite strong leading-edge demand, investors may overestimate the profit share its node leadership can retain. Its cautious expansion and past reluctance toward advanced packaging suggest a risk-averse culture that protects returns but could leave it late to disruptive technologies and key customers. x.com 

UMC has a meaningful re-rating path into 2H26-2028, with the target raised to NT$215 at 25x 2027 EPS. Worries about no 2H26 price hike miss that this year's hikes are selective, with broad 10-30% increases coming in 1Q27. Utilization should reach about 93% for 12-inch and 90% for 8-inch by end-2026, with full 8-inch loading by 2H27. From 2028, an asset-light 12nm FinFET model, likely driven by Apple display drivers, and optical solutions add growth, with TFLN EPS of NT$0.7 and NT$1.6 in 2027-28. … Show more

UMC keeps delivering. Per a report shared by @dnystedt, its jointly developed 12nm FinFET process with Intel is set for mass production at Intel Arizona in 2027, and UMC sees a stronger second half of 2026 from price hikes on some processes and new orders, with broad price hikes likely in 2027 as materials costs rise. x.com 

UMC's first high-volume silicon photonics shipment is the bottleneck-resolving traction expected from accessible foundries. TSMC's capacity discipline opens room for foundries advancing in specialty and optical technology, which is why UMC and GlobalFoundries are favored over TSMC. SILITH and UMC shipped the first mass-produced photonic IC wafers from UMC's Singapore 12-inch fab for a 1.6T platform, qualified by a leading cloud customer. UMC targets an open 12-inch platform in 2027. x.com 

TSMC's US expansion reduces its China risk. One of the greatest companies in the world, it has completed construction of its second Phoenix fab, per MetroPhoenix, as part of its reported $265 billion US investment. x.com 

TSMC's AI growth still faces margin pressure from overseas fab expansion and a faster A14 ramp for mobile customers facing 2nm SoC challenges. 3Q gross margin of 66.4% missed expectations, and the 4Q guide is softer at 65-67%; margins are expected to remain largely flat through 2027-28 despite projected 39% revenue growth in 2027. Hold; target nudged to NT$2,999 at 20x 2027 earnings. x.com  x.com  x.com