Unica chief financial officer to resign

Ralph Goldwasser will leave to pursue other opportunities, the company said.

Unica, based in Waltham, Mass., has begun a search for his replacement.

The company also said it expects third-quarter revenue at or above the high end of its guidance of $30 million to $31 million. Analysts polled by Thomson Financial predict revenue of $30.3 million.

Shares fell 18 cents, or 2.2 percent, to $7.80 aftermarket electronic trading. The stock earlier rose 41 cents, or 5.4 percent, to end regular trading at $7.98. Shares have ranged from $6.15 to $15.87 over the past year.