ALSO

Gregory Penske, son of Penske Corp. Chairman Roger Penske, was promoted to president and chief executive of auto-racing unit Penske Motorsports Inc., replacing Richard Peters. . . . Atlas Copco, a Swedish maker of industrial machinery, said it agreed to buy Houston-based Prime Service Inc. for about $1.16 billion in cash and assumed debt in a bid to enter the growing U.S. machinery rental market. . . . Golden, Colo.-based freight airliner Atlas Air Inc. said it ordered 10 Boeing 747-400 aircraft in a transaction worth about $1.7 billion. . . . Rexene Corp. agreed to be bought by closely held Huntsman Corp. for $16 a share, or $604 million including debt, after rejecting three earlier bids.