Also

* Revlon Inc. said Jack Stahl had resigned after more than four years as chief executive and president of the cosmetics maker. Stahl will be succeeded by David L. Kennedy, Revlon’s chief financial officer.

* Allstate Corp. Chief Executive Edward Liddy is stepping down at the end of the year and will be succeeded by Thomas Wilson, currently the president and chief operating officer, the insurer said.

* Dell Inc. said it would build a plant in Poland at a cost of $253 million to produce servers and notebooks and generate more business outside the U.S.