Originations of home-equity lines of credit increased in 2003 and they are expected to surge even more this year, but fewer securitizations are making it to market. Moody’s Investor Services rated some $9.4 billion of HELOC securitizations last year – and not all of them were placed in the market – down from $12.0 billion in 2002, said Marjan Riggi, a vice president and senior