Also. . .

Diaper maker Paragon Trade Brands Inc., facing a patent-infringement liability of up to $200 million to Procter & Gamble, said it has filed for protection from creditors’ claims under federal bankruptcy laws. . . . Amazon.com Inc. said its book-selling Web site shut down Wednesday because of a “simple” system problem it would not disclose because it involves proprietary technology. The Seattle-based company relies solely on the Internet to sell its 2.5 million book titles. . . . Fort Lauderdale, Fla.-based Republic Industries Inc. agreed to buy four closely held companies that operate 41 auto dealership franchises for $257 million in cash or stock, adding to billionaire Chairman Wayne Huizenga’s holdings in Florida, Texas and Georgia.