Here's Westpac's brief markets video. Fed chairman Powell made a splash at his first semi-annual congressional testimony. He sparked a jump in the US dollar and market interest rates by striking a more upbeat tone on the US economy and the monetary policy outlook. I discuss Powell's impact on markets including the Aussie dollar and also take a quick look at a busy week ahead which includes Australia Q4 GDP data and policy decisions by the RBA, ECB and BoJ.