Over 90 brokerages questioned over Tradetron association: Report

SEBI questioned over 90 brokerages, including top firms like ICICI Direct and Kotak Securities, over their association with unregulated algorithmic marketplace Tradetron, Moneycontrol reported. SEBI has asked the brokerages why their association with Tradetron shouldn't be considered a violation of an earlier SEBI circular. Two brokerages said they had no partnership with Tradetron.