The top 1% return on equity investment was mainly purchased by SK Hynix, Oreum Therapeutics
SK Hynix, Oreum Therapeutics, and Samsung Electro-Mechanics were top net buyers in Korea. Samsung Electronics rose 4.4% and SK Hynix gained 0.65%. Samsung Electronics offers a 4,604 won dividend per share. Oreum Therapeutics' stock fell after BMS halted development of a drug and terminated a $180M contract.
How this was made

The 30-second read
Why it matters
Institutional buying of SK Hynix signals short‑term bullish pressure, while the termination of Oreum Therapeutics' BMS contract introduces downside risk for that biotech.
Market read
The net‑buying activity may drive short‑term price moves in SK Hynix and related Korean semiconductor stocks, while the contract termination could pressure Oreum Therapeutics.
What to watch
Potential regulatory or supply‑chain risks in the semiconductor sector that could dampen the rally.
Background
The article reports recent net‑buying activity among ultra‑high return on equity investors, focusing on SK Hynix and Oreum Therapeutics, and mentions dividend capture strategies for Samsung Electronics.
Ticker impact
SK Hynix was the top net‑buyer of the ultra‑high return on equity investment list as of 2:30 p.m. on Sep 21, indicating strong buying pressure.
Potential modest price increase in the next few trading sessions.
Large institutional buying aligns with dividend capture strategy and recent positive sentiment in semiconductor sector.
Market effects
Increased buying in SK Hynix may lift broader Korean semiconductor stocks.
Korean equity market could see modest gains from dividend‑capture buying.
Limited to Asian semiconductor exposure; minimal direct effect on US markets.
Counterpoint
The dividend‑capture buying could reverse quickly after ex‑dividend date, leading to a short‑term sell‑off.
Key entities
- companySK Hynix
Korean semiconductor manufacturer; top net buyer in the reported list.
- companyOreum Therapeutics
Korean biotech whose BMS partnership was terminated, losing up to $80 million in milestones.



