The National Stock Exchange will conduct a mock trading sessions on Saturday in various segments including capital market and currency derivatives and Futures & Options segment.In a press release issued on Monday, NSE said that the two-hour auction would start at the NSE at 1000 hrs.Meanwhile, the Bombay Stock Exchange will conduct a special trading session on 11th May in a bid to test its disaster recovery software. The two-hour trading would start at 11:15 hrs and will be conducted in the derivatives, cash and Securities Lending and Borrowing Scheme segment.The transactions done during the special trading session would be settled under separate settlement.