ALSO

Robert Glynn Jr., chief executive and president of San Francisco-based PG&E; Corp., has assumed the additional responsibility of chairman, replacing Stanley Skinner, who is retiring. . . . Wal-Mart Stores Inc. picked Emery Worldwide, a unit of Palo Alto-based CNF Transportation Inc., as its primary U.S. air carrier for shipments of 50 pounds or more. . . . Los Angeles-based Northrop Grumman Corp. said it won a contract valued at $145 million from closely held Kistler Aerospace Corp. of Kirkland, Wash., to design and make structural parts for space transport vehicles. . . . General Electrical Capital Corp., General Electric Co.’s finance unit, bought 24% of Culver City-based Marketing Services Group Inc. in a $15-million private purchase.