Stocks mostly rise ahead of Powell, yen after BoJ rate hint

The yen also advanced after the head of Japan's central bank told lawmakers that officials could hike interest rates again if the economy and inflation perform as expected, weeks after a surprise increase caused turmoil on markets. While a cut is considered virtually inevitable in September, traders remain edgy in the lead-up to Powell's speech at the annual symposium of central bankers in Jackson Hole, Wyoming, amid fears he might not be as dovish as hoped. He had already put markets on alert...