How did RBI pull bond yields below the crucial 6% mark? This week, RBI is also suspected to have bought sovereign bonds directly from the secondary market, known as ‘on-screen’ trades in market parlance. Synopsis The benchmark bond yield on Thursday dipped as much as 7 basis points to 5.94 per cent, pushing prices up. MUMBAI: The benchmark bond yield dropped well below the crucial 6 per cent mark on Thursday, calming the debt market in a development that will help lower the federal funding costs at a time when New Delhi is seeking to borrow more. While the Reserve Bank of India (RBI) is suspected to have intervened in the secondary market, it also accepted additional bids in a special auction held on Thursday offering yields slightly higher than market