Japan's Nikkei 225 share average traded higher on Wednesday, extending a three-session winning streak as investors tracked overnight gains on Wall Street.
The broader Topix index edged up 0.21% to 4,047.62, reflecting broad-based optimism in Asian equity markets.
The rally is being propelled by strong performance in artificial intelligence-related equities and anticipation surrounding upcoming earnings reports from major technology firms.
Market participants are positioning for potential upside from semiconductor giants, with particular attention fixed on ASML, the Dutch lithography equipment maker.
ASML's quarterly results are expected to provide critical insight into demand trends for advanced chipmaking equipment, a key indicator for the broader semiconductor supply chain.
The company's performance often serves as a bellwether for capital expenditure cycles among major foundries and logic chipmakers.