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Closing Bell Exchange: Buckle up for bumpy ride

3:00 PM ET Tue, 4 March 2014

Discussing how geopolitical concerns are impacting U.S. markets and volatility, with Gemma Godfrey, Brooks MacDonald Asset Management; Amy Wu, RBC Capital Markets; Dick Burridge, RMB Capital Management; Thomas Karsten, Karsten Advisors; and CNBC's Rick Santelli.