The Alternative A mortgage market has grown dramatically in 2004, fed by mortgage lenders looking for new products to sustain origination volume and secondary market investors searching for yield. According to a new Inside Mortgage Finance ranking and analysis, $40.1 billion of Alt A mortgages were originated during the third quarter of 2004. While that was down 13 percent from the record $46.3 billion of Alt A loans produced in the second quarter, the Alt