12 Biggest Mid-Day Losers For Monday

CyberOptics Corporation CYBE shares tumbled 23.4 percent to $12.45 after the company reported a $3 million buyback plan and lowered its Q3 outlook.
Seres Therapeutics Inc MCRB shares declined 22.5 percent to $12.44 after the company reported topline results from SER-287 Phase 1b study in patients with Ulcerative Colitis.
Biohaven Pharmaceutical Holding Co Ltd BHVN shares dipped 18.3 percent to $30.54 after the company reported topline data from spinocerebellar ataxia Phase 2/3 trial.
Oxbridge Re Holdings Ltd. OXBR shares declined 11.5 percent to $3.45.
Appian Corp APPN shares fell 9.4 percent to $25.80. Cowen & Co. downgraded Appian from Outperform to Market Perform.
Aradigm Corporation ARDM shares dropped 8.6 percent to $3.84 after gaining 8.25 percent on Friday.
bluebird bio Inc BLUE shares declined 7.1 percent to $127.60. Morgan Stanley downgraded bluebird bio from Equal-Weight to Underweight.
Kitov Pharmaceuticals Holdings Ltd (ADR) KTOV dropped 7 percent to $1.99 after the company reported filing by FDA for NDA of KIT-302.
Nordstrom, Inc. JWN shares slipped 6.7 percent to $44.01 following NY Post report that talks to take the company private may fall apart.
Laredo Petroleum Inc LPI shares fell 6.1 percent to $12.15. Laredo Petroleum and affiliates agreed to sell Medallion Gathering & Processing for $1.825 billion.
Finish Line Inc FINL fell 5.4 percent to $11.38. Susquehanna downgraded Finish Line from Positive to Neutral.
Roku Inc ROKU shares declined 5.3 percent to $25.12 after jumping 12.94 percent on Friday.