Investors in the non-mortgage asset-backed securities market could be in for a rough ride this year as a worsening economy takes its toll on performance, Fitch Ratings has warned. “Consumers remain pressured on a number of fronts,” said Mike Dean, a managing director in Fitch’s consumer ABS unit in a teleconference held this week. “The negatives continue to outweigh the positives and Fitch remains concerned with consumer