AI and Semiconductors Lift KOSPI, Intraday +4.03%

TL;DR

• As of 2026-08-13 14:30 KST, KOSPI was trading intraday (unconfirmed) at 6,843.90, up +4.03%.
• Domestic IT and semiconductor sector outperformed at +2.84%, with Nvidia earnings outlook and a global semiconductor rally cited as background.

What happened

At 14:30 (collection time) KST, KOSPI showed a sharp intraday rise. At the same time, KOSDAQ stood at 868.41, up +1.11% (both intraday, unconfirmed). Global headlines highlighting Nvidia's earnings outlook and moves in leading AI chip stocks have focused investor attention on the semiconductor sector. That attention translated into relative strength in Korea's IT and semiconductor industries.

By the numbers

• KOSPI: 6,843.90 (+4.03%) [2026-08-13 intraday, unconfirmed, collection time 14:30 KST]
• KOSDAQ: 868.41 (+1.11%) [2026-08-13 intraday, unconfirmed, collection time 14:30 KST]
• Sector moves (recent trading day): Korea IT & Semiconductors +2.84%, Industrials +1.48%, Energy +0.69%, while Healthcare lagged at -2.77%.
• Key headlines: "Nvidia earnings outlook spotlights AI chip leaders", "Nvidia-led semiconductor boom spreads, spotlight on select chip stocks" and other reports on global semiconductor strength.

Putting the figures and headlines together, optimism around global semiconductors and AI is pushing domestic market highs. Note that these index levels are intraday and unconfirmed, so later changes are possible.

PickStock checkpoints

• Institutional and foreign flows: Confirm which investor groups are driving the intraday spike in real time. Check investor-specific trade flow for your holdings on My Stock Radar.
• Within-sector differentiation: IT and semiconductors outperform overall, but individual names show wide dispersion based on results and news sensitivity. Watch quotes and trading volume at the stock level.
• Global news linkage: Monitor how quickly news from Nvidia and other foreign majors is reflected in Korean chip names and watch for further updates.
• Persistence of the move: Distinguish a short-term reaction from a change in longer-term fundamentals by tracking subsequent volume and the next two trading days. Refer to Chart Technicals for real-time volatility.

This article is for informational purposes and is not investment advice.