Benzinga's Top #PreMarket Losers
December 20, 2013 at 08:15 AM EST
TIBCO Software (NASDAQ: TIBX ) shares fell 11.19% to $21.74 in the pre-market trading on Q4 results. Analysts at UBS downgraded the stock from Buy to Neutral. CarMax (NYSE: KMX ) dipped 5.66% to $50.05 in the pre-market session after the company reported a weaker-than-expected Q3 profit. BlackBerry (NASDAQ: