China’s Deep‑UV Lithography Leap Shakes the Global Chip Market

China’s announcement of a home‑grown deep‑ultraviolet (DUV) lithography machine sent shockwaves through the valuations of Western chip giants, rippling across global equity indices.

Nasdaq in Turmoil: AI‑Linked Stocks Slide Over 10%

Two bombshells hit on the same day: CXMT surged 466% on its Shanghai debut, and China claimed to have developed DUV lithography tools. The news drove the Nasdaq down more than 10%, with Nvidia shedding 5% of its market cap and briefly losing its spot as the world’s most valuable listed company.

CXMT’s Meteoric IPO: Valued at 3.3 Trillion Yuan

Chinese memory‑chip maker CXMT entered the Shanghai market with a 3.3 trillion yuan (≈ 365 bn £) valuation, a headline‑grabbing rise that highlights the ongoing global DRAM shortage. The move intensifies pressure on Western memory leaders SK Hynix and Micron.

■%466 price jump

■3.3 trillion yuan market cap

■DRAM scarcity expected to persist until 2030

ASML’s Monopoly Cracks: China’s First Steps in DUV Lithography

For years, ASML alone supplied the ultra‑precise DUV lithography machines essential for etching the tiniest lines onto silicon wafers. China’s reported breakthrough threatens this monopoly, potentially enabling domestic production of GPUs that could rival Nvidia in the future.

Investor Sentiment Swings: Implications for Nvidia, SK Hynix and Micron

Analysts argue the market reaction is overstated, yet they flag three core risk vectors:

■Nvidia: Still the sole profitable AI‑GPU maker, dubbed the “central bank of AI,” but its valuation remains volatile.

■SK Hynix & Micron: DRAM shortages and China’s expanding memory capacity could squeeze margins and spark price wars.

■ASML: While its dominance looks secure for now, Chinese tool reliability and yield rates remain uncertain, posing a long‑term strategic threat.

Dr. Yaman Ege – Director of Semiconductor & Technology Supply Chains: China’s DUV lithography breakthrough marks a strategic inflection point for the Western chip ecosystem. In the short term, ASML’s monopoly will hold, but between 2027‑2030 China could establish its own fab lines, introducing price competition and supply‑chain diversification. Investors should reassess Nvidia’s “AI central bank” narrative and focus on the long‑term DRAM supply‑demand balance.