Samsung and SK Hynix Down About 5%, Why Did AI Profit Worries Hit KOSPI Below 5,700?

Samsung and SK Hynix are down about 5%, and AI profit worries are the core story in today's intraday session.

Based on the time of the report, Samsung Electronics and SK Hynix slipped about 5%.

All figures are values at the report time in each headline. The collection time is November 3, 14:30.

Index values as of 14:30 are not in the material, so we do not use them.

Retail investor:

"It rose +2.24% yesterday. Why is it falling in one day?"

Yesterday's confirmed close and today's intraday mood are the opposite.

Why Samsung and Hynix Fell, What Hit?

09:27 report: KOSPI gives back the 5,700 level on AI profit worries

09:27 report: Samsung and SK Hynix down about 5%

09:26 report: Foreign and institutional 'selling' drags stocks lower

A sharp US tech selloff came first.

Domestically, foreign and institutional selling piled on, according to reports.

KOSPI Intraday on November 3, How Far Did It Drop?

Nov 2 confirmed close: KOSPI 5,859.08 (+2.24%)

Nov 2 confirmed close: KOSDAQ 734.36 (+1.38%)

09:24 report: KOSPI down over 3% early, KOSDAQ down over 2%

11:57 report: KOSPI and KOSDAQ down over 2% intraday

The early losses shifted from the 3% range to the 2% range.

A 10:32 report said semiconductors, secondary batteries, and bio stocks all turned red.

Did All HBM Stocks Fall Together?

Hanmi Semiconductor: weak

TechWing: weak

UniTest: up

Even within HBM names, the direction split.

What Happened in the US Overnight?

US IT and semiconductors: -4.89%

US industrials: -1.60%

US energy: +1.91%

Palantir faced valuation concerns despite strong earnings.

Apple also edged lower despite beating earnings, according to reports.

Even good earnings are not lifting stocks here.

So, Up or Down?

Downside pressure

• US semiconductors, -4.89%, tech weight spreading
• Samsung and SK Hynix, down about 5%, 09:27 report
• Early KOSPI, down over 3%, foreign selling

Holding up

• KOSPI yesterday, +2.24%, signs of a rebound
• UniTest, up, temperature gap within HBM
• Fed December hike, yes 72%, variables remain

The bet on a 25bp Fed hike in December is at 72% 'yes' on Polymarket.

I check the US tech trend first.

Please treat this as reference only.

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