Bond blowback, Trump's oil grab and Broadcom blues: The financial week in five charts

By Anna SzymanskiEvery Friday, Reuters Open Interest (ROI) distills the financial week into five key charts, spotlighting the major trends, surprises and overlooked moves that defined the past five days.1. BONDS BOILMIKE DOLAN, ROI Finance & Markets Columnist: As summer drew to a close this week…