Closely held publisher Rodale Press said it will acquire K-III Communications Corp.'s New Woman magazine and will end cigarette and hard-liquor advertisements when it takes control. Terms weren't disclosed. . . . Gateway 2000 Inc. said its president and chief operating officer, Richard Snyder, has resigned to head a venture capital fund in his home state of Michigan. . . . The Motley Fool has launched an online stock portfolio for small investors. The portfolio will buy stock directly from public companies, bypassing the brokerage costs.