The Fed's tightening will impact economy most after inflation recedes: Citi's Wieting

Steven Wieting, chief investment strategist & chief economist at Citi Global Wealth Investments, and Jimmy Chang, chief investment officer at Rockefeller Global Family Office, join 'Squawk on the Street' to discuss the upcoming Federal Reserve meeting, how stocks will perform towards the end of the year and how much weight declining gas prices should carry. For access to live and exclusive video from CNBC subscribe to CNBC PRO: