Global Equities Have `Addiction to QE,' Kotok Says

Sept. 12 (Bloomberg) -- David Kotok, chief investment officer at Cumberland Advisors Inc., talks about political unrest in Libya, the European debt crisis and global markets. Kotok, speaking with Tom Keene and Sara Eisen on Bloomberg Television's "Surveillance," also talks about Federal Reserve policy. (Source: Bloomberg)
Twitter's Earnings Report: The Good, the Bad and the Ugly
01:19 - 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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