Is the sharp drop in Japanese equities a buying opportunity?
On March 30, Japanese equities weakened significantly. The Nikkei 225 Index closed down 2.79%, with deeper losses seen intraday, while the Topix Index also declined by around 2.9%.
The market structure was highly concentrated, with heavyweight technology stocks dragging down the index. Advantest fell 5.19%, SoftBank Group dropped 6.31%, TDK declined 4.42%, Fanuc fell 4.22%, and Tokyo Electron also moved lower. These companies are concentrated in semiconductor equipment, electronic components, and automation, forming the core growth segment of the Japanese market.
Due to the high concentration of weights, technology stocks had an outsized impact on the index. Advantest accounts for more than 12%, SoftBank over 5%, while TDK and Fanuc both exceed 2%. When these stocks correct simultaneously, their influence on the index is amplified.
Meanwhile, Fast Retailing, with a weight close to 10%, and Tokyo Electron, above 7%, saw relatively smaller declines. At the same time, there were clear signs of capital reallocation. Chugai Pharmaceutical rose 1.41% and Shin-Etsu Chemical gained 2.14%, indicating that some funds were rotating out of high-volatility technology stocks into more defensive, stable cash-flow businesses.
As a result, although the index fell less than 3%, the drawdown in core assets was significantly deeper.
The key driver of this market adjustment is not company fundamentals, but geopolitical developments.
On the morning of Saturday, March 29, Yemen’s Houthi forces launched ballistic missiles at Israel, formally entering the conflict and marking a significant escalation. On the same day, US-Israeli strikes on Iranian-related targets continued, expanding the scope of the confrontation.
From the evening of March 29 into the early hours of March 30, Iran carried out retaliatory strikes across the Middle East, targeting industrial facilities in Bahrain and the UAE, as well as a US military base in Saudi Arabia, resulting in injuries among US personnel. At the same time, approximately 3,500 US troops arrived in the region, prompting markets to reassess the likelihood of a prolonged conflict.
Before the Asian trading session on March 30, markets had already digested these developments, and risk expectations rose sharply. Meanwhile, traffic through the Strait of Hormuz, one of the world’s most critical energy routes—previously accounting for about one-fifth of global seaborne oil—declined significantly.
Against this backdrop, oil prices strengthened again, with WTI crude returning above $100 per barrel. This is particularly important for Japan. As a country heavily dependent on energy imports, rising oil prices directly squeeze corporate margins, lift inflation expectations, and weigh on equity valuations.
More directly, the impact came from a shift in risk sentiment. As concerns over an expanding conflict grew, investors moved to reduce risk exposure. The assets most heavily sold were those with higher valuations and strong prior gains. In Japan, these are primarily semiconductor and technology heavyweight stocks, leading to the concentrated sell-off.
In essence, this move is closer to a valuation compression driven by macro shocks rather than a deterioration in underlying industry fundamentals. Earnings expectations have not fundamentally changed in the short term, but the market’s pricing of uncertainty has risen rapidly.
Related ETF overview:
Among broad-based ETFs, $日本ETF-iShares MSCI(EWJ)$ is the largest Japan ETF, with total assets of approximately $174.7 billion, tracking the MSCI Japan Index and widely used by institutional investors, though its expense ratio of 0.49% is relatively high. $JPMorgan BetaBuilders Japan ETF(BBJP)$ has assets of about $145.6 billion with a much lower fee of 0.19%, offering a clear cost advantage with similar market exposure. $Franklin FTSE Japan ETF(FLJP)$ has assets of around $29.8 billion and a very low expense ratio of 0.09%, making it more suitable for long-term passive allocation.
For currency-hedged ETFs, $日本股利指数ETF-WisdomTree(DXJ)$ has assets of about $60.6 billion with a 0.48% fee; $日本ETF汇率对冲-iShares(HEWJ)$ has around $6.8 billion with a 0.53% fee; and $Xtrackers MSCI Japan Hedged Equity ETF(DBJP)$ has about $5.9 billion with a 0.45% fee. These products generally have higher fees due to the cost of currency hedging, with DBJP relatively cheaper among them.
In the style category, $iShares MSCI Japan Value ETF(EWJV)$ has assets of about $7.0 billion and a fee of 0.15%, focusing on value stocks, while $First Trust Japan AlphaDEX Fund(FJP)$ has around $2.3 billion in assets and a higher fee of 0.80%, reflecting its Smart Beta approach aimed at enhancing returns but with higher costs.
For small-cap exposure, $Ishares Msci Japan Small Cap Ind(SCJ)$ has assets of about $2.1 billion with a 0.49% fee, while $日本小型股股利指数ETF-WisdomTree(DFJ)$ has around $3.9 billion with a 0.58% fee. These products tend to exhibit higher volatility and generally carry higher costs than broad-based ETFs.
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