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Taiex hits record intraday high on AI-driven tech rally

Taiwan's benchmark Taiex index climbed to a record intraday high Tuesday, driven by broad gains in the technology sector. The move followed an AI-driven rally on Wall Street, linking cross-market sentiment directly to the latest performance in chip and hardware names. The next confirmable milestone is the close of the trading session, which will determine if the intraday peak holds or if profit-taking erodes the gain before the bell.

By Desmond ChoiNewsroomSeptember 22, 20262 min read
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Taiwan's benchmark Taiex index climbed to a record intraday high Tuesday, driven by broad gains in the technology sector. The move followed an AI-driven rally on Wall Street, linking cross-market sentiment directly to the latest performance in chip and hardware names. The next confirmable milestone is the close of the trading session, which will determine if the intraday peak holds or if profit-taking erodes the gain before the bell.

The Catalyst

The primary driver in focus is the spillover from U.S. equities. Wall Street's recent strength, specifically tied to artificial intelligence themes, provided the backdrop for Tuesday's session in Taipei. Tech stocks led the advance, translating the momentum from American markets into local benchmarks. This connection highlights how global liquidity and sentiment are currently flowing through the AI supply chain. The index did not rise on a single corporate announcement or a specific earnings print, but on a sector-wide bid that lifted the broader market.

Operational Context

While the source does not provide specific inventory levels, shipment data, or capacity utilization figures for individual companies, the movement reflects a market-wide revaluation of the tech sector's role in the AI buildout. Investors are positioning ahead of potential throughput increases and order book expansions in the hardware space. The physical reality of the rally is the capital inflow into these names, which supports the index level. Without specific company-level data on lead times or production schedules, the analysis remains anchored to the index performance and the sector classification. The rally is a sentiment play on the durability of the AI theme rather than a reaction to a specific supply chain disruption or capacity constraint.

What to Watch

The key question for the remainder of the session is sustainability. Traders will monitor if the index can hold the record intraday level into the close or if it reverts to previous highs. The setup depends on whether the Wall Street rally continues to provide support or if local factors introduce volatility. Watch for any late-day moves in major tech constituents that could signal a shift in sentiment. The definitive confirmation will come at the market close, where the final index print determines if the record is secured for the day. Until then, the tape remains driven by the momentum from the U.S. session and the ongoing trade in AI-related equities.

About this story

Filed by the newsroom of MarketPR on September 22, 2026. Source: cnbc.com. Indicative figures are not investment advice.

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