Kosdaq +5.88% Surge, Energy and Healthcare Lead Gains

TL;DR

• On 2026-08-04, final close Kosdaq 780.72(+5.88%), Kospi 6,358.95(+1.62%). Data uses collection time 2026-08-05 08:20 KST.
• By sector, Energy(+6.93%) and Healthcare(+6.77%) led gains, with Industrials(+5.13%) also rising.

What happened

The market saw a Kosdaq-led surge while Kospi also closed higher. Energy and Healthcare showed particularly strong moves. Overnight global headlines noted Bitcoin spot ETF inflows and stronger Tesla electric vehicle sales, which are observable risk and flow factors. These overseas variables can affect foreign flows and sector sentiment in the Korean open.

By the numbers

• Indices (final close): Kosdaq 780.72(+5.88%), Kospi 6,358.95(+1.62%). (Source: collection-time final close)
• Sectors (most recent trading day change): Domestic Energy +6.93%, Healthcare +6.77%, Industrials +5.13%, Utilities +2.48%, Consumer Discretionary +1.32%, Real Estate +0.29%.
• Overseas sector/issues: US Consumer Discretionary +6.65% and differentiated sector moves, plus Bitcoin ETF inflows and Tesla sales strength were reported.

PickStock checkpoints (items to watch)

• Early session flows: Watch foreign and institutional net buy/sell immediately after open, especially shifts centered on Kosdaq.
• Sector re-rating durability: Confirm whether Energy and Healthcare strength is a short squeeze at open or accompanied by expanded volume.
• News spillovers: Observe how Bitcoin ETF flows and Tesla sales news feed through to domestic related names (eg, crypto-linked firms and EV supply chain).
• Large caps and semiconductors: Check whether Kospi and Kosdaq gains broaden into semiconductors and large caps, focusing on tech flows.
• Turnover and trade strength: Verify whether rising names have supporting turnover and trade strength, and monitor orderbook changes on rapid movers.

Be mindful of opening volatility and track your watchlist on 내 종목 레이더 in real time. This article is for informational purposes and is not investment advice.