Chip Rebound Meets a Fresh Yield and Oil Test
FRIDAY · 21 AUG 2026
Investor brief · Australia excluded
Yield relief is gone. Chips hold the counter-signal.
Asia’s 20 August rebound was powered by Korea-specific cash returns and a temporary drop in yields. Before today’s first cash open, oil, long rates and Wall Street have reversed—but US semiconductors resisted the sell-off.
05:33 SGT
21 Aug · Singapore
23:33 CEST · 20 Aug · Warsaw
11 / 12
tracked benchmarks rose
+5.89%
20 Aug final · 15:30 KST
4.69%
+4 bp · 20 Aug, 15:30 EDT
$93.78
+2.4% · 20 Aug settlement
Last Asian cash close
Final / delayed-final data · 20 Aug
| Market | Index | Final | Move | Local time → SGT |
|---|---|---|---|---|
| Japan & Korea | ||||
| Japan | Nikkei 225 | 66,216.79 | +1.36% | 15:45 JST → 14:45 |
| Japan | TOPIX | 4,059.73 | +1.18% | 15:30 JST → 14:30 |
| Korea | KOSPI | 6,852.58 | +5.89% | 15:30 KST → 14:30 |
| Greater China | ||||
| China | Shanghai Comp. | 3,903.72 | +0.24% | 15:00 CST → 15:00 |
| China | CSI 300 | 4,592.75 | +0.09% | 15:00 CST → 15:00 |
| China | Shenzhen Component | 13,972.78 | +0.59% | 15:00 CST → 15:00 |
| Hong Kong | Hang Seng | 25,698.49 | +0.80% | 16:09 HKT → 16:09 |
| Hong Kong | Hang Seng Tech | 4,700.53 | +0.39% | 16:09 HKT → 16:09 |
| Taiwan | TAIEX | 44,933.74 | +0.48% | 13:33 TST → 13:33 |
| India & Singapore | ||||
| India | Nifty 50 | 24,231.85 | +0.64% | 15:31 IST → 18:01 |
| India | Sensex | 77,537.72 | +0.82% | 15:32 IST → 18:02 |
| Singapore | STI | 5,671.91 | −0.39% | 17:20 SGT |
Breadth is the count of benchmark rows above, not exchange constituent breadth. Quote timestamps can be later than the cash close where a delayed vendor final is used.
Korea’s cash-return shock
SK hynix jumped 12.73% and Samsung Electronics 9.49%. SK hynix announced a KRW40tn buyback and cancellation plus a target to return more than 50% of free cash flow. Reports of a possible Samsung plan above KRW100tn remain unconfirmed by the company.
Rates erase Thursday’s relief
The US curve bear-steepened as firm claims and Philadelphia Fed data reinforced higher-for-longer risk. The 10-year is back near the 4.70% tripwire—unhelpful for long-duration growth and rate-sensitive Asian property.
Chips resisted the sell-off
SOX rose 0.53% despite Nasdaq’s 1% fall; TSMC ADR gained 0.95% and Micron 3.97%. That argues for relative resilience in Taiwan and Korea tech, although weaker KRW and oil cap the broad read-through.
Where the previous session led—and lagged
182 Nikkei names rose. Sumitomo Metal Mining +10.76%; Sumitomo Pharma +8.48%. Aozora −3.11%; Nippon Steel −2.20%.
No LPR cut. Healthcare and metals led; CSPC +9.6%, Genscript +13.6%, Tencent +0.9%. Shanghai starts housing easing today.
TSMC +1.06%; MediaTek −3.77%. Volume was the lowest since 28 July—supportive close, weak confirmation.
India IT +0.8% and financials +0.7%. Singapore banks slipped; SATS −13.6%. Higher crude hits both net importers.
Opening map & catalysts
21 Aug · SGT / Warsaw CEST
- JAPAN CPICore 1.8% y/y expected vs 1.6%
Upside: banks over duration; downside: yield relief. Statistics Bureau · Reuters poll
- FIRST CASH OPENTokyo & Seoul · 09:00 local
Watch KOSPI follow-through, Japan banks and USD/JPY near 160.
- JAPAN FLASH PMIManufacturing 55.1 expected vs 54.5
Services prior 51.2. Released at 09:30 JST.
- SECOND OPENTaipei & Singapore · 09:00 local
SOX read-through versus oil-sensitive margins.
- GREATER CHINAShanghai & Hong Kong continuous trade
Developers face the first session under Shanghai’s new housing easing.
- INDIA OPENNSE / BSE · 09:15 IST
Crude, INR support and yesterday’s IT/financial rebound are the key tension.
- INDIA FLASH PMIManufacturing 54.0; services 53.8 expected
Prior 53.5 / 53.3. S&P Global calendar
Decision lens
Benign Japan CPI + Brent below $93.78 + UST 10Y back under 4.65%: broader follow-through becomes credible.
Chips and Korean shareholder-return names outperform while net oil importers and rate-sensitive sectors lag.
Hot CPI + USD/JPY through 160 + UST 10Y above 4.70% or Brent above $94: defensive rotation intensifies.
Risk register
- 01Import inflation
Brent at a four-week high pressures India, Japan and Korea.
- 02Japan policy asymmetry
Higher CPI raises BOJ-tightening odds; soft CPI leaves yen intervention risk near 160.
- 03China confirmation gap
Housing easing is tactical; weak loans, retail sales and investment still constrain conviction.
- 04Korea concentration
One-day buyback euphoria is not yet a regional earnings upgrade.
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