Companies continue to tap the corporate bond market in the US as yields remain near record lows, even as the past week saw some upward pressure on yields in the secondary market.There were also issues in the local market, with the highlight being the slow return of asset-backed securities.Toll Holdings is reported to have raised US$275 million in seven- to 10-year debt via private placement. The company has $113 million of debt maturing in 2011, but a huge $1.1 billion in 2012. Among others planning to raise debt in the US are TruEnergy and New Zealand's Auckland International Airport. AIA said it is conducting a roadshow and if a placement takes place it will be used to refinance debt maturing in March 2011. AIA has NZ$125 million of syndicate bank facility maturing in March.Asset-backed securities are slowly returning, with Macquarie Leasing pricing $500 million in securities, backed by automobile and equipment receivables. Class A-1 notes totalling $80 million with a weighted average life of 0.36 years were priced at 60 basis points over swap, while class A-2 totalling $360 million with a life of 2.2 years were priced at 155 bps over swap. Pricing for the rest of the note classes wasn't disclosed.Telstra raised another $200 million by adding to its July 2020 bond issue at 25 bps lower spread than the first issue.Rabobank added $275 million to its July 2014 floating rate issue at a spread of 92 basis points, to take the total outstanding issue to $1 billion.Forthcoming issues may include Suncorp Metway, which is considering local bond issues, after making presentations in key cities last week.