In Business This Week

ET CETERA...

-- Swiss Bank will acquire a 24.9% stake in Perot Systems, for an undisclosed sum.

-- Time Warner Cable will swap its Savannah, Ga. system with Jones Intercable.

-- PP&L Resources rejected Peco Energy's $3.8 billion takeover proposal.

-- U S West couldn't agree on terms of its $800 million investment in Cablevision.EDITED BY KEITH H. HAMMONDS