Oppenheimer upgraded T-Mobile US, (NYSE: TMUS) from Underperform to Perform.

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T-Mobile US (TMUS) PT Lifted at Nomura; Still Long-Term CautiousAugust 13, 2013 10:57 AM T-Mobile US (TMUS) Turnaround has Begun, Says Deutsche BankAugust 8, 2013 9:18 AM T-Mobile US, Inc. (TMUS) Posts Lighter Q2 adj.-EBITDA; Revs TopAugust 8, 2013 6:31 AM