Japan's Nikkei rises as tech stocks rally ahead of Warsh speech

Japan's Nikkei share average climbed on Friday, primarily propelled by a rally in technology stocks. However, gains were tempered by lingering concerns over inflation and uncertainty surrounding what Federal Reserve Chair Kevin Warsh might communicate during his Jackson Hole speech. The Nikkei increased by 0.8% to 66,682.88 at midday.

Key contributors to the index's rise were Advantest and Tokyo Electron, both chip-related heavyweights, which climbed 2.1% and 1.5%, respectively, to become the index's top performers. Other notable gainers included security software firm Trend Micro and Fujitsu, which surged 5.5% and 4.5%, respectively. Out of the 225 components in the index, 139 rose while 80 fell, with six remaining unchanged.

The broader Topix index also jumped by 0.9% to 4,152.88, positioning the Nikkei for a 1% weekly gain, while the Topix aimed for a 2.1% weekly increase. Japanese tech stocks benefitted from overnight gains in Wall Street peers, with the Philadelphia Semiconductor Index climbing 2.3% on Thursday. Yet, sentiment remained tempered due to rising bond yields and higher oil prices, driven by ongoing concerns in the Middle East.

Friday's data suggested inflationary pressures were increasing in Tokyo, further supporting the likelihood of a Bank of Japan rate hike. Federal Reserve Chair Kevin Warsh is scheduled to address the audience at the Fed's annual symposium in Jackson Hole later in the day. Despite three Fed officials already highlighting worries about persistent inflation, Warsh has refrained from offering forward guidance on interest rate movements.

This cautious approach has resulted in a cautious trading environment in the Japanese market as investors eagerly await Warsh's insights ahead of his Jackson Hole speech. Maki Sawada, a strategist at Nomura Securities, noted that investors are adopting a "wait-and-see" attitude, awaiting Warsh's comments before making investment decisions.