Tech names stage a broad rebound as the chip supply chain explodes higher —Global X China Robotics And Ai Etf (02807.HK) surges more than 3 % in afternoon trading.

NewTimeSpace Flash — Chip names across the board surge today: overnight, the U.S. “Big Three of Memory” all etched fresh records. Micron added another 5 % to new highs and drew target-price hikes from at least two brokers; SanDisk soared 8 %, also a record, with Citi lifting its TP in one go from USD 280 to USD 490. Seagate and Western Digital advanced more than 2 % and 3 % respectively, likewise closing at all-time peaks. Citi also raised Seagate’s target to USD 385 from USD 320. The confluence of positives ignited a broad A/H semiconductor rally.

In the afternoon of 21 January, Global X China Robotics And Ai Etf (02807.HK) extended its gain to 3.01 %. The ETF is up over 20 % year-to-date, ranking among the top-performing Hong Kong-listed tech ETFs.

HKEX data show the fund—formally Global X China Robotics & Artificial Intelligence ETF—is issued by Mirae Asset’s Global X franchise. It tracks the FactSet China Robotics and AI Net Total Return Index, comprising roughly 60 constituents split across A-shares (~45 %), Hong Kong listings (~35 %) and U.S.-traded Chinese ADRs (~20 %). Single-stock exposure is capped at 8 % and the basket is rebalanced quarterly.

Guolian Minsheng Securities notes that Agent-oriented reinforcement learning demands massive CPU resources to build diverse tools and environments. CPUs therefore hit the bottleneck earlier than GPUs, and their efficiency directly affects GPU utilisation, policy lag, training stability and the overall RL convergence speed. (Source: Guolian Minsheng Securities, 21 Jan 2026, “Computing-power chips surge – Loongson and China Great Wall hit daily limit”.)

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