Asian markets opened Wednesday on a mixed footing as investors balanced renewed strength in technology and semiconductor shares against rapidly rising oil prices and escalating tensions in the Middle East. Brent crude moved towards the psychologically important $100-a-barrel level, adding to concerns that another energy shock could complicate the global inflation and interest-rate outlook.
Tokyo supported by technology
Japan’s Nikkei 225 initially moved higher, with technology and artificial-intelligence-related shares providing support after semiconductor stocks strengthened overnight in the United States.
The Nikkei was around 0.6% higher during early trading, recovering some ground after Tuesday’s 1.7% decline. Japanese cable manufacturers were among the strongest performers following renewed investor enthusiasm surrounding data centres and high-density optical fibre.
The yen strengthened by around 0.2% against the dollar, approaching its strongest level in almost seven months as investors increased expectations that the Bank of Japan could raise interest rates.
South Korea leads regional gains
South Korea was the standout market. The KOSPI advanced strongly after opening higher, driven particularly by semiconductor companies.
SK Hynix and Samsung Electronics gained as optimism surrounding artificial intelligence continued to support demand for chip stocks. The KOSPI was up around 1.6% in early regional trading, while Taiwan’s TAIEX also advanced approximately 0.6%.
China and Hong Kong cautious
Mainland Chinese markets opened modestly higher. The Shanghai Composite gained 0.09% at the opening bell, while the Shenzhen Component advanced 0.63%.
Hong Kong was considerably more subdued. The Hang Seng opened almost unchanged before slipping as trading developed, reflecting the broader caution surrounding geopolitical risk and energy prices.
Oil becomes the dominant risk
The biggest concern facing Asian investors Wednesday morning was energy.
Brent crude climbed to around $99.50 a barrel, while US West Texas Intermediate moved above $94. The rise followed another escalation in Middle East hostilities, increasing fears of disruption to oil production and shipping through the Gulf.
Higher energy prices are particularly important for Asian economies dependent on imported oil. Australia’s S&P/ASX 200 slipped around 0.3%, while Indian equities also opened lower.
Markets face an inflation test
The immediate question is whether Brent breaks decisively above $100. Such a move could strengthen inflation expectations and increase pressure on central banks to maintain or raise interest rates.
Investors are also awaiting US inflation figures on Friday and a series of major central-bank decisions.
For Asian markets, Wednesday’s opening therefore presents two competing forces: continuing enthusiasm for AI and semiconductor companies on one side, and a potentially damaging global energy shock on the other.
For now, technology is keeping parts of Asia in positive territory – but oil is increasingly setting the tone.
Newshub Editorial in Asia – 9 September 2026
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