Close Brothers shares tumble after being targeted by short seller
LONDON, March 16 (Reuters) - Close Brothers CBRO.L shares tumbled 15% on Monday after short seller Viceroy Research posted a report on its website saying it was short the British financial services firm. Close Brothers did not immediately respond to an emailed request for comment. (Reporting by Samuel Indyk and Alun John Editing by Tomasz Janowski) ((alun.john@thomsonreuters.com;))