Industry consolidation continued in earnest last week, when heavy hitter Bank of America announced plans to pull out of the subprime market. BofA officials say the decision to get out of subprime lending, both on the mortgage and auto fronts, was motivated in large part by financial considerations. Revenues associated with subprime lending have proven to be too unpredictable. That made it difficult for BofA to make its earnings and profit targets, officials said.