12:00verdict at this hour
Chips, Power, Bio All Up as Foreigners Return to KOSPI
Thursday, August 13 (2026): as of 11:52 KST, the KOSPI had opened at 6,801, surged to an intraday high of 6,895.63 at 09:10, pulled back to the mid-6,800s, and was trading near 6,832 — closing figures are not yet available from the confirmed data block.Foreign investors posted provisional net purchases of ₩1.54tn on KOSPI this session (collected 11:52 KST, subject to evening confirmation), while retail investors were provisional net sellers of ₩1.77tn; the session’s breadth and flow pattern contrasted with Wednesday’s (August 12, 2026) net buying by non-financials and a KOSPI Advance-Decline RatioThe ratio of advancing issues to declining issues on a given exchange for a given session; an ADR above 1.0 means more stocks rose than fell.A rising index driven by a handful of large-caps while the ADR stays below 1.0 signals narrow, potentially fragile breadth — a key input to the crash-precursor score used in this letter. of 0.80.
12:00Snapshot
A window that records the market at that hour, like a photograph
Foreigners Provisionally Buy ₩1.54tn on KOSPI Through Mid-Session; Flow Confirmation Due This Evening
Top by trading value10— snapshot
A window on how the top trading-value names have moved up to this hour
SK hynix and Samsung Electronics Together Exceed ₩6tn in Mid-Session Turnover
Through approximately 11:52 KST, SK hynix led all KOSPI names with provisional turnover of ₩3,381.9bn, reaching an intraday high of ₩1,634,000 at 09:20 before settling back; Samsung Electronics followed with ₩2,965.2bn, its intraday high of ₩270,000 printed at 09:09.On KOSDAQ, K&S I&C topped the board with₩314.6bn in turnover and an intraday gain of +97.73% as of the last available tick, while Jusung Engineering recorded ₩205.3bn — the two names accounted for a disproportionate share of mid-market KOSDAQ value flow.
| Stock | Prior close | Open | Gap | High (time) | Low (time) |
|---|---|---|---|---|---|
| SK hynix | 1,504,042 | 1,582,000 | +5.18% | 1,634,000 (09:20) | 1,567,000 (09:00) |
| Samsung Electronics | 255,497 | 267,500 | +4.70% | 270,000 (09:05) | 262,500 (09:45) |
| Samsung Electro-Mechanics | 1,334,999 | 1,432,000 | +7.27% | 1,524,000 (10:15) | 1,412,000 (09:00) |
| Samsung Electronics (Pref.) | 186,104 | 190,000 | +2.09% | 191,000 (09:05) | 186,500 (09:45) |
| Kumho E&C | 14,931 | 15,900 | +6.49% | 18,040 (09:05) | 14,540 (10:35) |
| SK Square | 1,024,030 | 1,101,000 | +7.52% | 1,150,000 (09:05) | 1,082,000 (09:00) |
| Samwha Capacitor | 87,997 | 92,900 | +5.57% | 110,800 (10:15) | 91,500 (09:00) |
| SK eternix | 52,699 | 54,000 | +2.47% | 59,600 (11:10) | 53,200 (09:00) |
| NAVER | 215,505 | 218,500 | +1.39% | 228,000 (10:50) | 215,500 (09:30) |
| Daewon Cable | 16,030 | 15,420 | −3.81% | 16,000 (09:55) | 15,250 (09:00) |
Samsung Electro-Mechanics showed the widest intraday range among KOSPI top-10 names: a low of ₩1,412,000 at 09:00 versus a high of ₩1,524,000 at 10:16, a ₩112,000 spread.SK Eternix reached its session high of ₩59,600as late as 11:13 KST — notable for a top-10 name to print its intraday peak well into the second hour — while Kumho Construction printed its high of₩18,040 at 09:05 and had retreated to ₩15,430 by the last available data point, illustrating early-spike-and-fade behavior.
Gainers5· Decliners5— snapshot
A window on the biggest gainers and decliners, and the reasons behind them
Semiconductors lead a broad-market morning surge, with foreigners net buying ₩1.54tn on KOSPI as of 11:52 — closing figures are not yet confirmed.
On KOSPI, gainers were concentrated in semiconductors and related components: Samsung Electro-Mechanics rose +12.06%, Samhwa Capacitor +20.80%, and SK Eternix +10.06% — all among the session’s top-traded names by value.On the downside, Korea Electric Power (KEPCO) fell −6.21% and Dalba Global dropped −8.02%; on KOSDAQ, JYP Ent. slid −9.67% and Hana Materials gave back −9.31%, illustrating a split session where entertainment and materials-related names underperformed while chip and power names advanced.