PSK Holdings Leads HBM-Memory-Equipment Rally, KOSPI +3.09% Why?

The condition is simple!!! Memory and equipment stocks are rallying together on HBM demand hopes.

Here is the intraday mood in one-line updates. (Collection time: 2026-09-07 14:30 KST)

Retail: "Is memory rising again? Should I buy?"

Answer first. There is big variation by stock, so watch the flow first.

Why are HBM-related names moving? (Source: recent headlines)

KOSPI: 6,893.64 (+3.09%) [2026-09-07 Intraday (uncertain) collected: 14:30]

KOSDAQ: 825.26 (+1.45%) [2026-09-07 Intraday (uncertain) collected: 14:30]

IT·Semiconductor sector: +2.55% (sector strength confirmed)

HBM demand expansion hopes are spreading across the semiconductor sector.

Term example: HBM means high bandwidth memory, fast memory for GPU and AI.

Who is leading the trading?

Headlines mentioned PSK Holdings, Hanmi Semiconductor, Samsung Electronics, and SK Hynix.

Buyers are broadening as equipment and parts names gain expected benefit.

Sector heat map?

Energy (Korea): +4.05%, accompanying strength with a single-issue response

Healthcare: +1.79%, some defensive buying also flowed in

Materials and staples are weak, with money shifting to tech and energy

Retail: "Is this a short-term story?"

Short-term and medium-term hopes are mixed, so today is a day for verifying the news and adjusting positions.

Foreign and domestic flows?

Reports observe buying into large caps and equipment names.

The index strength owes much to concurrent rises in several large names.

So, will it rise or fall?

Downside pressures

• HBM overheating concern, sector heat and potential short-term profit taking
• Materials demand uncertainty, materials -0.47% and supply variables exist
• Long-term rate variable, global rate volatility is a downward factor

Supportive factors

• KOSPI strength, 6,893.64, is a sign of large-cap co-movement
• IT·Semiconductor demand, +2.55%, reconfirms AI and HBM demand
• Energy accompanying strength, +4.05%, indicates favorable money flow

Please use this as reference only.

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※ This article is for information only and not investment advice.
※ Investment decisions and responsibility lie with the investor.
※ Figures are as of the time of writing and subject to change.