ADTRAN Inc Jumps On Outlook (ADTN, QCOR, WAG, AM, YELP) ADTRAN Inc (NASDAQ:ADTN) plunged 8.64% to $17.49 after the Company lowered the guidance for third 2012. The Company expects revenue to be approximately $162 million. GAAP earnings per share for the quarter are expected to range from $0.14 to $0.15. Non-GAAP earnings per share...

