Heading into Thursday, August 13 (2026), the dominant overnight signal is the SOX Philadelphia Semiconductor Index closing at 12,399.38 (+2.49%) on August 12, alongside Nikkei CME futures up +1.28% overnight — both pointing to a positive directional lean for Korean semiconductor and electronics name
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The KOSPI closed at 6,579.04 on Wednesday, August 12 (2026), rising +3.68% as foreign investors posted net KOSPI purchases of ₩2,835.4bn — their largest single-day buy in the current week — concentrated in Samsung Electronics (+6.68%) and SK hynix (+5.54%).Multiple inputs converged on the same day:
The KOSPI closed Wednesday, August 12 (2026) at 6,579.04, up 3.68%, after swinging across a 254.93-point intraday range (3.97%) between a session low of 6,413.50 and a high of 6,668.43.The KOSDAQ added 0.12% to close at 858.91, oscillating within a narrower 2.49% band — the two markets diverged shar
Tuesday, August 11 (2026) closed with Samsung Electronics up 4.13% to ₩239,500 and SK hynix edging 0.35% higher to ₩1,425,000, while the defense and shipbuilding cluster — Korea Aerospace Industries, Hanwha Ocean, Hyundai Rotem, Hanwha Systems — gave back between 5.57% and 12.07%.Wednesday’s open ar
The KOSPI closed Tuesday, August 11 (2026) at 6,345.53, up +0.73%, defying an overnight SOX decline of –2.94% that anchored The Silmari’s morning call for a drop of –1.5% to –2.5% — that call missed.The session’s internal divide was stark: Samsung Electronics surged +4.13% and drew ₩5.51tn in turnov
The KOSPI added +0.73% on Tuesday, August 11 (2026), closing at 6,345.53 after swinging across a 192.03-point intraday range — from a session low of 6,213.78 at 09:07 to a high of 6,405.81 in the early afternoon.The KOSDAQ gained +0.39% to close at 857.84, having traded within a 34.71-point band (lo
By midday Tuesday, August 11 (2026), the KOSPI was trading around 6,370.04 — up +1.12% from Monday’s close, having recovered from a session low of 6,213.78 struck at 09:07.The KOSDAQ eased to 852.06, down −0.28% from Monday — the two boards moving in opposite directions at the noon mark (as of 12:00
The KOSPI gapped down at the open on Tuesday, August 11 (2026), with the index touching a session low of 6,213.78 at 09:07 before recovering to the 6,240–6,278 range through mid-morning, as the Philadelphia Semiconductor Index had fallen 2.94% in the prior U.S. session.The KOSDAQ, by contrast, opene
Tuesday, August 11 (2026) opens under the shadow of a 2.94% drop in the Philadelphia Semiconductor Index on Monday — the sharpest pressure point for a market where semiconductors account for the heaviest index weight.Against that, Tuesday carries the most constructive day-of-week profile in the curr
Monday, August 10 (2026) ended with a tale of two markets: the KOSPI inched up 0.65% to 6,299.66 while the KOSDAQ vaulted 6.97% to 854.47, one of the sharpest single-day divergences between the two benchmarks this year.Alteogen (+14.1%), defense equipment names, and a broad sweep of KOSDAQ small-cap