ParkerVision's 80% Gains Have Evaporated By: Benzinga via Benzinga March 14, 2017 at 11:48 AM EDT ParkerVision, Inc. (NASDAQ: PRKR) went about a wild ride last week amid news of favorable patent decisions in a Inter Partes Review ... Read More >> Related Stocks: Apple Bio-Techne Corp Parkervision Inc Qualcomm, Inc. RPX Corporation - Common Stock Spherix Inc