london oct 18 reuters  the cost of insuring exposure to credit suisses debt fell and the lenders bonds rose on tuesday bringing them close to levels last seen before a rout in its assets in early october concerns about the lenders ability to restructure its business had seen some of its bonds tumble to record lows and lifted credit default swaps cds  instruments used to hedge against default  to historic highs in the week starting oct 3 fiveyear cds on tuesday stood at 267 basis points bps  down from a close of 273 bps on monday and not far off the closing level of 250 bps on sep 30 data from sp global market intelligence showed cds had indicated as high as 363 bps earlier this month the lenders bonds also strengthened further dollardenominated additional tier one at1 issues rose as much as 16 cent on the day with the 725 bond changing hands at 7369 cent in the dollar tradeweb data showed that bond had closed at 764 cent on sep 30 and dropped as low as 631 cent in the turmoil many senior eurodenominated bonds also traded more than 1 cent higher on tuesday 