Korean stocks showed divergent performance through the 16th of this month, with the KOSPI small-cap index declining just 1.6% while the large-cap index plunged 20.6%, according to Korea Exchange data. The semiconductor sector's sharp downturn drove large-cap underperformance, as Samsung Electronics fell 23.7% and SK Hynix dropped 30.5% during the period. This reversal follows last month's trend when large-caps gained 0.9% while mid-caps and small-caps fell 10.5% and 11.1% respectively, reflecting a shift in investor focus toward theme stocks amid semiconductor volatility.
KOSPI Large-Cap Index Falls 20.6% While Small-Caps Decline 1.6%
The KOSPI large-cap index dropped 20.6% from the start of this month through the 16th, underperforming the overall KOSPI's 19.5% decline during the same period, according to Korea Exchange. The KOSPI mid-cap index fell 6.2% and the small-cap index declined 1.6%. Large-cap stocks comprise the top 1-100 companies by market capitalization on the securities market, mid-caps rank 101-300, and small-caps include the remaining listings.
Last month showed the opposite pattern, with the KOSPI large-cap index rising 0.9% while mid-cap and small-cap indices plunged 10.5% and 11.1% respectively.
Samsung Electronics and SK Hynix Drive Large-Cap Decline
Samsung Electronics fell 23.7% and SK Hynix dropped 30.5% during this month, pulling down the overall large-cap index performance. Market participants attributed the semiconductor stocks' volatility to concerns about peak-out in the semiconductor industry cycle and reduced buying from foreign investors and other large market participants.
Theme Stocks Lead Small-Cap Outperformance
Small-cap stocks classified as 'patriotic theme stocks' posted triple-digit returns this month. Hansung Enterprise gained 245%, Monami rose 211%, and Enex increased 162%. Hansung Enterprise is known for sponsoring concerts for Korean War veterans, while Monami gained attention as a domestic alternative to Japanese writing instruments.
Among mid-cap stocks, cosmetics companies outperformed the KOSPI, with Cosmax up 17%, Amorepacific Holdings rising 15%, and Korea Kolmar gaining 8%. Food stocks also posted positive returns, with Orion Holdings up 8% and Lotte Wellfood advancing 6%.
Yuanta Securities Analyst Projects Potential Small-Cap Rotation
Lee Jae-won, a researcher at Yuanta Securities, stated that regulations raising entry barriers for single-stock leveraged products on Samsung Electronics and SK Hynix could redirect related funds toward small and mid-cap stocks. Lee said, "If supply and demand concentration is eased through single-stock leveraged ETF regulations and government KOSDAQ policies, the possibility of rotation buying into long-neglected small and mid-cap growth stocks is expected to increase. Bottom fishing opportunities are open for KOSDAQ stocks that satisfy both excessive decline and EPS upward revision."
FAQ
What caused the performance gap between Korean large-cap and small-cap stocks this month?
The KOSPI large-cap index fell 20.6% through the 16th of this month while the small-cap index declined only 1.6%, primarily due to sharp declines in semiconductor giants Samsung Electronics (down 23.7%) and SK Hynix (down 30.5%). Investor funds shifted toward theme stocks in the small-cap segment during the semiconductor sector's downturn.
Which small-cap stocks showed the strongest performance this month?
Patriotic theme stocks led small-cap gains, with Hansung Enterprise rising 245%, Monami up 211%, and Enex gaining 162%. Among mid-caps, cosmetics stocks outperformed, including Cosmax up 17%, Amorepacific Holdings rising 15%, and Korea Kolmar gaining 8%.
What regulatory changes could affect Korean stock market flows?
New regulations raising basic deposit requirements for single-stock leveraged products on Samsung Electronics and SK Hynix may redirect investment capital toward small and mid-cap stocks, according to Yuanta Securities researcher Lee Jae-won.
