Mortgage profits among 20 of the largest lenders in the U.S. market were down again in the first quarter of 2004, but the results for many institutions were shaped by unlucky timing. According to a new analysis by Inside Mortgage Profitability, the 20 leading lenders that have filed first-quarter earnings had a combined $3.50 billion in mortgage banking revenue. That was down 9.6 percent from the $3.88 billion these companies reported in the final