SEBI board to vet National Stock Exchange colocation probe report The regulator has completed the investigation against 20 brokers, who allegedly gained unfair access to NSE's trading facility The Securities and Exchange Board of India (Sebi) has completed its investigation of 20 brokers in the National Stock Exchange (NSE) colocation (colo) controversy. The regulator in August last year had ordered a joint forensic audit to probe the brokers, who had allegedly gained unfair access to trading data feed between December 2012 and May 2014. According to sources, the investigation report has a detailed analysis of brokers using the colo facility to churn out thousands of trades and make huge profits. “There is a high probability that some brokerages who were using dark fibre connections received preferential treatment from bourse officials,” said a person privy to the development. However, he refused to give further details of the findings. The report is likely to be tabled in ...