Ft. Worth-based Tandy Corp. said that sales...

Ft. Worth-based Tandy Corp. said that sales and earnings for its first quarter ending Sept. 30 would be hurt by a delay in shipping its new line of personal computers to its Radio Shack stores...San Jose-based Finnigan Corp. said its board authorized repurchase of up to 250,000 shares of its common stock in the open market and in private transactions from time to time.