Before the Bell-ParkerVision shares fall 20 pct on report

NEW YORK, Dec 3 (Reuters) - Shares of ParkerVision Inc (PRKR.O) fell almost 20 percent to $7.90 in pre-market trade on Monday after a report in Barron's said the wireless technology company had attracted a short-seller who is "convinced that ParkerVision" is worthless." See [ID:N02328581]

Shares of ParkerVision closed at $9.83 on Friday in Nasdaq trade. (Reporting by Herbert Lash; Editing by Walker Simon)