Warning: This Warning May Cause 45% Drop

Published: July 28, 2015, 7:45 p.m.

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SiriusXM rises due to, among other things, strong auto sales.\xa0 Online car shopping site TrueCar falls 45% on lowered guidance.\xa0 Plus we dip into the Fool Mailbag to discuss how we might profit from the inevitable Rise Of The Machines.