KOSDAQ -4.83% Crash, KOSPI -3.65% as Semiconductor and Apple-Linked Stocks Drag Markets

KOSPI closed at 6,384.24 (-3.65%) and KOSDAQ at 849.19 (-4.83%).

I summarize this morning how overnight global headlines and mixed fund flows could affect the Korean market.

(Data collected) 2026-10-13 08:20 KST, all prices are prior session closing prices.

Retail investor: "It fell so much yesterday, won't it rebound today?"

Not necessarily.

If global drivers push again, weakness may continue.

Why did it fall so much?

KOSPI: 6,384.24 (-3.65%)

KOSDAQ: 849.19 (-4.83%)

U.S. sector flow: real estate and healthcare strong, communication weak (source: signal bundle)

Overseas headlines: reports of Apple cutting iPhone 18 Pro orders, AI chip selling hit Nvidia and peers

iPhone order cut news and AI chip weakness weighed on tech and export sentiment.

HBM-related stocks: high bandwidth memory links to AI and server demand as a semiconductor component.

Anything changed overnight?

Crypto ETF flows: $1.2 billion outflow from Bitcoin and Ethereum ETFs, Ripple ETF continues inflows

Market close notes: HBM-related stocks weak early in the week, some names rose (source: signal bundle)

Divergent flows between crypto and semiconductors raise the chance of sector-level differentiation.

Sectors and names to watch this morning

Semiconductors (especially HBM-linked): watch AI chip selling impact and signs of selective rebounds

IT and export-linked stocks: likely sensitive to Apple iPhone order reports

Crypto-linked and financial stocks: short-term volatility tied to ETF flows

Indices are broadly negative, but sector and stock heat may vary significantly.

Retail investor: "So where do you look first?"

I look at exporters and semiconductors linked to Apple, and sectors tied to ETF fund flows first.

So, up or down?

Downside pressures

• Apple iPhone 18 Pro order cut reports, potential hit to export sentiment

• AI chip selling, downward pressure on Nvidia and tech peers

• $1.2 billion outflow from Bitcoin and Ethereum ETFs, higher volatility for crypto-linked names

Supportive factors

• Some semiconductor names (Micron, SanDisk, SK Hynix) showing rebound signals, technical bounce possible

• Ripple ETF net inflows, differentiated crypto funding

• Mixed U.S. sector moves (real estate and healthcare strength), rotation into defensive sectors possible

Early-session confirmation of headlines matters today.

Monitor Apple and AI chip news and ETF fund flows first.

For reference only.

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※ This article is for information only and not investment advice.

※ Investment decisions and responsibility rest with the investor.

※ Figures are as of the time of writing and may change.