Investing.com - Leading central bankers from around the world are set to gather for Jackson Hole economic symposium.Speech by ECB President Mario Draghi to be the highlight of Jackson Hole event.Earnings report from advertising giant WPP (LON:WPP) will give insight into health of consumer goods industry.US economic reports on housing & durable goods will be closely watched for signs of strength in the economy.Euro zone PMI surveys in focus as ECB ponders scaling back monetary stimulus.