SQUAWK BOX, TUESDAY 17TH AUGUST, 2021

U.S. stocks hit new record highs, with the S&P 500 up 100 per cent from its pandemic bottom in what has been the fastest bull rally since WW2. CNBC hears from Boston Fed president Eric Rosengren who has reiterated his call for the FOMC to begin winding down its asset purchase programme from September. U.S. President Joe Biden stands behind his decision to withdraw troops from Afghanistan as the country falls to advancing Taliban forces. And in China, market regulators continue their tech crackdown, issuing new online competition rules.