Blackberry Shareholders Face Worst Day in 12 Years

June 28 (Bloomberg) -- In today's "Options Update," Bloomberg's Dominic Chu examines signals from the options market warning of the earnings miss by BlackBerry. He speaks on Bloomberg Television's "Market Makers."
Twitter's Earnings Report: The Good, the Bad and the Ugly
59:00 - Pivotal Research's Brian Wieser, Percolate co-founder James Gross and Bloomberg's Sarah Frier break down Twitter's second-quarter earnings. They speak with Bloomberg's Emily Chang on "Bloomberg West." (Source: Bloomberg)
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