F. W. Woolworth, New York, said it...

F. W. Woolworth, New York, said it is no longer negotiating with K mart Corp. to purchase the Troy, Mich., retailer’s 116 S. S. Kresge stores . . . First Capital Holdings Corp. and the Robert M. Bass Group have entered into a joint venture, FCB Partners, to acquire, manage and “securitize” investments in real estate . . . Shareholders of Pacific Southwest Airlines and PS Group, its parent corporation, approved the sale of San Diego-based PSA to USAir Group for $400 million . . . Advanced Micro Devices of Sunnyvale, Calif., said it plans to build a microprocessor capable of performing 17 million instructions per second, which would give it more sheer speed than any chip on the market.