12 Biggest Mid-Day Losers For Monday By: Benzinga via Benzinga January 23, 2017 at 13:19 PM EST Aptose Biosciences Inc (NASDAQ: APTO) shares tumbled 27.4 percent to $0.951 after the company disclosed that it will temporarily ... Read More >> Related Stocks: Apple Aptose Bioscns Avianca Holdings S.A. Healthstream Inc Kornit Digital Ord Nordic American Tanker Shipping Ltd Parkervision Inc Perceptron Inc Qualcomm, Inc. Senestech Inc Travelport Worldwide Ltd Workiva Llc