Stock market today: Asian shares are mixed ahead of Fed Chair speech and Nvidia earnings

Asian markets are trading mixed ahead of Fed Chair Jerome Powell’s highly anticipated speech later in the week. Benchmarks rose in Tokyo, Sydney and Hong Kong, while falling in Seoul and Shanghai. Powell is set to speak Friday at an event in Jackson Hole, Wyoming, the site of several major policy announcements by the Fed. Attention is also on what the People’s Bank of China might do next on monetary policy. Meanwhile, investors are awaiting the earnings report from U.S. chipmaker Nvidia, one of Wall Street’s most influential stocks. Wall Street drifted to a mixed close.