Also

* Robert Johnson, who built BET into the leading TV network for black Americans, said he would retire in January. Debra Lee, the company’s president and chief operating officer, will assume Johnson’s CEO role.

* Walt Disney Co. had its long-term credit rating raised to A-minus from BBB-plus by Standard & Poor’s. Disney had $13.2 billion of debt as of April 2.

* Boeing Co. said Chinese manufacturers would supply $600 million in aircraft parts in years to come, including some parts for its new 787 Dreamliner.

* Jurors in the trial of two former top executives of Tyco International Ltd. received final instructions and began deliberations on whether the defendants cheated shareholders and the company of hundreds of millions of dollars.

* Shoe retailer Stride Rite Corp. agreed to acquire running-shoe maker Saucony Inc. for about $170 million in cash.