Asian Markets Mixed as AI Worries Dampen Investor Sentiment

Asian shares traded mixed on Friday as concerns surrounding the future of artificial intelligence impacted global markets, following a substantial drop in Alphabet's stock that weighed on U.S. trading.

Japan's Nikkei 225 index fell 2.3% in afternoon trading. The Bank of Japan concluded its monetary policy meeting, opting to maintain its benchmark interest rate at 1.25%. This decision was largely anticipated, as the central bank had previously raised the rate in the prior month. The U.S. has reportedly expressed concerns to Japan regarding the weakening yen, advocating for interest rate increases.

In currency markets, the U.S. dollar saw a slight increase against the Japanese yen, trading at 157.67 yen, up from 157.65 yen. The euro also appreciated, moving to $1.1186 from $1.1181.

Other regional markets showed varied performance. Australia's S&P/ASX 200 rose 0.2% to 8,908.10, while South Korea's Kospi declined nearly 4% to 5,701.71. Shares of major tech companies SK Hynix and Samsung Electronics both experienced declines.

Shares associated with significant market interest in artificial intelligence have demonstrated volatility. While interest can drive up valuations for companies, particularly chip makers, concerns about supply chains or other factors can lead to subsequent declines.

Hong Kong's Hang Seng index added 1.7% to 23,359.06, contrasting with the Shanghai Composite, which lost 0.4% to 3,636.60.

On Wall Street, the S&P 500 closed down 0.3% on Thursday, marking its first loss in four days, despite a majority of stocks within the index and across the broader market advancing. The Nasdaq composite tumbled 1.4%, and the Dow Jones Industrial Average dropped 132 points, or 0.3%.

Alphabet's Class A shares experienced their worst day in over two decades, falling 12.6%. The company is considered one of the most influential stocks in the U.S. market.

Across U.S. markets on Thursday, the S&P 500 fell 23.59 points to 7,720.39. The Dow Jones Industrial Average decreased by 132.54 points to 52,342.56, and the Nasdaq composite saw a decline of 365.13 points, closing at 26,184.72.

In the bond market, the yield on the 10-year Treasury note decreased to 4.94% from 5.05% late Wednesday. This pullback follows a recent rise, where yields had topped 5.30% earlier in the month, reaching their highest level since 2002.

Energy markets saw benchmark U.S. crude oil gain 1.15% to $103.17 a barrel. Brent crude, the international standard, edged up 1.05% to $116.09 a barrel.