Session at a Glance

Taiwan surges 2.5% as semiconductor names rip higher on memory-shortage tailwinds and AI capex momentum.

Semiconductor stocks drove a sharp divergence across Asia-Pacific on Monday. Taiwan’s TAIEX jumped 2.5% — its best session in weeks — led by MediaTek and the broader chip supply chain as investors priced in a memory shortage that Samsung warns will persist into 2028. South Korea’s KOSPI rose nearly 1% on the same theme, with Samsung Electronics rallying over 3%. Japan’s Nikkei added 0.86%, helped by a yen sitting at 39-year lows that juiced exporter earnings expectations.

The session’s losers told a different story. Hong Kong’s Hang Seng slipped 0.63% as energy names like CNOOC dragged, and Australia’s ASX 200 lost half a percent with gold miners under pressure after bullion fell below $3,990. India’s Nifty 50 was flat, weighed by continued IT-sector weakness following Accenture’s guidance cut earlier this month.

The cross-border theme was clear: anything tied to AI infrastructure and memory demand attracted bids, while old-economy energy and commodity plays faced selling.

Here are the standout movers across Asia-Pacific’s major exchanges for the session of Tuesday, June 30, grouped by market.

Australia (ASX)

↑ CBA +0.62%

Mega-cap · 164.6 (local)

Why: No clear catalyst — Commonwealth Bank outperformed a weak ASX session on defensive rotation into financials as gold and materials dragged the broader index lower.

Pattern: Relative strength in a down-tape session is a classic quality-flight signal — CBA tends to attract flows when miners sell off, consistent with sector rotation rather than breakout.

↓ NST -5.82%

Mid-cap · 18.95 (local)

Why: Gold fell below $3,990 as rate-hike expectations firmed, pressuring miners. Northern Star also faces Elliott activist demands and cut 2026 volume guidance, amplifying the sell-off.

Pattern: Down nearly 6% in one session extends a 20% drawdown from recent highs — this is momentum continuation to the downside, not mean-reversion territory yet. Watch for capitulation volume.

Hong Kong (HKEX)

↑ 0700 +2.28%

Mega-cap · 429.8 (local)

Why: Tencent rallied 2.28% as the company ramped buybacks to support its share price after a broader $309 billion rout in Chinese tech. Buyback floor provided a bid in a weak Hang Seng session.

Pattern: Buyback-driven bounces in a secular downtrend often produce multi-day dead-cat rallies. Tencent outperforming the Hang Seng by nearly 3 percentage points suggests institutional accumulation, but needs follow-through.

↓ 0883 -3.61%

Large-cap · 20.32 (local)

Why: CNOOC fell 3.6% as crude oil prices remained soft and investors rotated out of energy into tech. The stock is down significantly from its 52-week high of HK$31 despite solid production growth.

Pattern: Breakdown below recent support with the stock trading near the lower end of its 52-week range. Sector-wide energy weakness across Asia suggests macro headwind rather than company-specific issue.

China — Shanghai (SSE)

↑ 600030 +0.84%

Mid-cap · 28.73 (local)

Why: CITIC Securities edged higher as mainland financials caught a modest bid with the Shanghai Composite up 0.5%. No company-specific catalyst — likely benefiting from broader A-share flows into brokerages.

Pattern: Small move within a consolidation range. Chinese brokerage stocks tend to move with market turnover expectations — a 0.84% gain is noise unless accompanied by volume expansion.

↓ 601857 -2.69%

Large-cap · 8.68 (local)

Why: PetroChina dropped 2.7% in line with the global energy sell-off. Crude weakness and a broader sector rotation into tech and AI-linked names pressured oil majors across the region.

Pattern: Move fits a sector-rotation pattern: capital leaving energy for semiconductors and AI plays across Asia. PetroChina’s decline mirrors CNOOC in Hong Kong, confirming the theme is regional.

China — Shenzhen (SZSE)

↑ 002415 +3.67%

Mid-cap · 34.2 (local)

Why: Hikvision rose 3.67% as Chinese tech and AI-adjacent names caught bids. The surveillance and smart-systems maker benefits from domestic AI infrastructure buildout narratives gaining traction.

Pattern: Momentum continuation within the broader China AI trade. Hikvision often moves with sentiment on domestic tech self-sufficiency — the +3.67% is part of a sector theme, not isolated.

↓ 000333 -2.25%

Large-cap · 75.53 (local)

Why: Midea Group fell 2.25% — no specific headline, but Chinese consumer appliance and home-goods names lagged as capital rotated into tech. Broader consumer demand concerns weighed.

Pattern: Profit-taking in a consumer-cyclical name as growth capital rotates to semis and AI. Classic sector-rotation pattern — Midea’s decline is the funding source for tech rallies.

Japan (TSE)

↑ 6861 +3.66%

Large-cap · 8.106e+04 (local)

Why: Keyence rallied 3.66% as factory-automation demand stays strong and the weak yen at 39-year lows boosts export-heavy industrials. The company’s AI-powered inspection tools also attract tech-adjacent flows.

Pattern: Momentum breakout attempt — Keyence is bouncing off its May highs. Weak-yen tailwind plus automation capex cycle makes this a macro-driven continuation trade, not mean-reversion.

↓ 7974 -1.73%

Mega-cap · 6815 (local)

Why: Nintendo fell 1.73% as post-game-showcase weakness continued. Investors remain cautious after the June event disappointed on marquee franchise titles and the Switch 2 pricing backlash persists.

Pattern: Downtrend continuation — Nintendo has been sliding since its June 10 showcase. The stock halved from its all-time high and bounced recently, but today’s drop suggests the relief rally is fading.

Singapore (SGX)

↓ A17U -1.57%

Mid-cap · 2.5 (local)

Why: CapitaLand Ascendas REIT fell 1.57% as rising rate expectations globally pressure REIT valuations. Singapore REITs are rate-sensitive and the session reflected broader bond-proxy selling.

Pattern: Rate-sensitive sell-off in a yield play — classic inverse-rate move. REITs underperform when rate-hike expectations firm. The decline is part of a sector-wide theme, not company-specific.

South Korea (KOSPI)

↑ 005930 +3.41%

Mega-cap · 3.34e+05 (local)

Why: Samsung Electronics surged 3.41% as the global memory shortage narrative intensified. The company warned chip supply constraints won’t ease until 2028, underpinning pricing power for DRAM and NAND.

Pattern: Momentum continuation in a structural bull trend — Samsung crossed $1 trillion market cap in May and keeps grinding higher. Memory cycle upswing plus AI-driven HBM demand is a multi-quarter tailwind.

↓ 051910 -9.09%

Large-cap · 2.8e+05 (local)

Why: LG Chem dropped 9% — a sharp single-session decline suggesting either earnings concern or sector rotation out of battery and chemicals into semiconductors. No clear headline catalyst.

Pattern: A 9% single-day drop in a large-cap is abnormal and suggests forced selling or a downgrade. Check for institutional block trades or EV battery demand downgrades. Move is isolated, not sector-wide.

Taiwan (TWSE)

↑ 2454 +8.57%

Large-cap · 4245 (local)

Why: MediaTek surged 8.57% as the AI chip frenzy lifted Taiwan’s semiconductor names. The fabless chipmaker benefits from strong smartphone and edge-AI processor demand with analysts rating it a strong buy.

Pattern: Parabolic momentum — MediaTek is up massively in the first half of 2026 and this move extends the trend. Breakout continuation with the TAIEX itself up 2.5%, confirming broad-based tech bid.

India (NSE)

↑ BAJFINANCE +2.61%

Mid-cap · 1002 (local)

Why: Bajaj Finance rose 2.61% as Indian financials outperformed on steady domestic credit growth. The NBFC sector benefits from a stable rate environment and strong consumer lending demand.

Pattern: Relative strength versus a flat Nifty suggests sector rotation into financials from underperforming IT. Bajaj Finance often leads when domestic growth themes attract flows — momentum continuation.

↓ WIPRO -2.78%

Large-cap · 170.6 (local)

Why: Wipro fell 2.78% to near its 52-week low as Indian IT remains under pressure following Accenture’s guidance cut on June 18. The stock has dropped 35% over the past year on weakening US enterprise tech spend.

Pattern: Downtrend continuation — Wipro is in a sustained bear market relative to the Nifty. Accenture’s guidance created a sector-wide de-rating and Wipro keeps making new lows. No reversal signal yet.

New Zealand (NZX)

↑ MEL +1.39%

Mid-cap · 5.82 (local)

Why: Meridian Energy gained 1.39% — no clear catalyst. New Zealand utility stocks tend to trade on yield dynamics and rainfall/hydro generation outlook rather than daily headlines.

Pattern: Small move in a low-volatility utility name. Likely driven by yield-seeking flows in a rate-sensitive market. Not a breakout — just normal daily noise within a range-bound pattern.

↓ FPH -0.51%

Large-cap · 39.01 (local)

Why: Fisher & Paykel Healthcare dipped 0.51% — minimal move with no headline driver. The medical devices maker trades on global hospital capex trends and NZD currency moves.

Pattern: Negligible decline well within daily noise. FPH is a low-beta healthcare name — a half-percent dip in a soft NZX session is unremarkable and doesn’t signal any directional pattern shift.

Reading the Session

The exchange-by-exchange breakdown above surfaces both market-specific catalysts and cross-border themes. When multiple exchanges move together, look for a macro driver (USD move, commodity price, risk-on/off shift). Isolated single-exchange moves tend to reflect local earnings, regulatory news, or sector rotation.

Read next: Asia Pacific Markets · What Is a P/E Ratio? · What Is a Dividend?