Mortgage technology stock prices swung both up and down this month across all categories. Online home buying/aggregator LendingTree saw an almost 50 percent stock price increase between May 4 and May 30, with its price surging from $4.01 to $6.01. The company made a big splash this month by announcing that since the start of 2001, it has signed agreements with 31 additional lenders to participate in the online exchange. According to the firm, it