Good morning, welcome to the ABC's markets blog.
Investors are cautious on Wall Street ahead of a major speech by US central bank chairman Jerome Powell in Jackson Hole, Wyoming, on Friday. They are worried that the Federal Reserve will raise interest rates again because of the resilient US economy.Nvidia shares reached a record high of $US481.87 ahead of the chipmaker's profit results.Financial stocks fell after credit ratings agency SComing up today, Woolworths will release its annual profit, which will give us more insight into the impact of the high cost of living on consumers.Join us for all your markets news.