Market wrap

How the Korean market went, in plain English: a wrap after every trading day's close, a look back at each week and month, and the week ahead every Sunday. The news that moved stocks, the themes and names it touched, who was buying, ETFs and how our signals did, with a link to every source.

LatestWeek of Oct 19 – Oct 23, 2026· 5 trading daysKOSPI falls 2.1% and KOSDAQ 5.4% on AI spending doubts; Samsung E&A surges 37.2%KOSPI fell 2.1% to 5,550.3 and KOSDAQ 5.4% to 751.69 as AI spending doubts and Brent above $110 weighed. Samsung E&A rose 37.2% on earnings and a buyback; defense and shipbuilding fell.KOSPI−2.1%KOSDAQ−5.4%KOSPI 200−1.8%Read the wrap →

Week of Oct 12 – Oct 16, 2026· 5 trading daysKOSPI plunges 14.5% in a week as chip rout and foreign selling hit; rebounds 2.0% FridayKOSPI fell 14.5% and KOSDAQ 10.9% over the week as foreigners sold ₩11.2 trillion on KOSPI. Samsung Electronics lost 17.7% and SK hynix 24.3%; bio, shipping and Jeju Air gained.KOSPI−14.5%KOSDAQ−10.9%KOSPI 200−15.9%Week of Oct 6 – Oct 8, 2026· 3 trading daysKOSPI falls 5.4% in three sessions as foreign selling hits chipmakers; defense slides, batteries riseKOSPI fell 5.4% to 6,625.93 and KOSDAQ slipped 0.1% as foreigners sold ₩6.5 trillion on KOSPI. SK hynix fell 8.7% and Hanwha Aerospace 16.9%, while LG Energy Solution rose 8.1%.KOSPI−5.4%KOSDAQ−0.1%KOSPI 200−5.8%Week of Sep 28 – Oct 2, 2026· 5 trading daysKOSPI slips 1.1% as Samsung Electronics falls; KOSDAQ jumps 5.8% on HLB FDA approvalKOSPI fell 1.1% to 7,003.74 and KOSPI 200 fell 1.5%, while KOSDAQ rose 5.8%. HLB group surged after a first FDA approval, and Samsung Electronics fell 3.3% ahead of preliminary Q3 results.KOSPI−1.1%KOSDAQ+5.8%KOSPI 200−1.5%Week of Sep 21 – Sep 23, 2026· 3 trading daysKOSPI gains 2.7% to 7,080.9 as Samsung Electronics jumps 9.4%; defense, shipbuilders and steel fallKOSPI rose 2.7% to 7,080.92 over three sessions, led by Samsung Electronics (+9.4%) on record chip exports and US chip strength. Defense, shipbuilding and steel names fell, and foreign investors sold SK hynix.KOSPI+2.7%KOSDAQ+2.1%KOSPI 200+3.3%Week of Sep 14 – Sep 18, 2026· 5 trading daysKOSPI slips 0.2% for the week as foreign selling offsets Friday's chip rebound; KOSDAQ gains 0.8%KOSPI ended the week at 6,894.2, down 0.2%, while KOSDAQ rose 0.8% to 827.1. Foreigners sold about ₩8.8 trillion on KOSPI, then turned net buyers on Friday as SK hynix and Samsung Electronics rebounded.KOSPI−0.2%KOSDAQ+0.8%KOSPI 2000.0%