Federal Reserve chair Jerome Powell is expected to set the scene for both the US and the global economy when he speaks at the Fed’s annual Jackson Hole symposium on Friday. He could outline the trajectory for the Fed’s interest rates and monetary policy. He might fall short in specifically announcing a cut in the Fed fund rate in September. But a nudge may be as good as a wink as far as markets are concerned. Staying with monetary policy, there are interest-rate decisions from Indonesia, where the Bank of Indonesia is more concerned about currency stability than inflation, and Korea, where the Bank of Korea is also keeping an eye on volatility in forex markets. On the results front With the US earnings season almost done and dusted, the attention of the market turns to the East. Hong Kong Exchange & Clearing (SEHK: 388) will step in with half-year results. In April, the Hong Kong bourse...