Australian shares are set to open slightly down as Wall Street wavered and US Fed boss Jerome Powell warned the clock was running out on inflationary expectations.P 500 flat Nasdaq 0.3%Wall Street wavered as investors limped toward the finish line of a downbeat month, a dismal quarter, and the worst first-half for the SThe three major indexes were last modestly higher, after spending much of the session wobbling between red and green.
Market leaders Apple, Amazon and Microsoft provided the upside muscle, while economically sensitive chips small caps and transports were underperforming the broader market.Overseas data: China manufacturing and non-manufacturing PMI June; Euro zone unemployment rate May; UK GDP Q1 final; US personal income May, personal spending May; US PCE core May; US MNI Chicago PMIAUD -0.4% to 68.77 US centsIn New York: BHP +0.2% Rio -0.2% Atlassian -0.7%Spot gold -0.1% to $US1,818.63 /oz at 2.