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A trader rubs his eyes on the floor of the New York Stock Exchange before the closing bell May 7, 2010 in New York City. - 

A new report out Wednesday from the University of Miami says electronic glitches, or so-called 'flash crashes,' in financial markets are on the rise. Often these extreme events happen within just a few miliseconds. Neil Johnson, professor of Physics at the University of Miami and co-author of the study, joins Marketplace Tech host Ben Johnson to discuss the often volatile combination of modern computing technology and financial markets. 

Click the audio player above to hear more. 

Follow Ben Johnson at @@TheBrockJohnson