Standard & Poor's said that the debt ratings of Texaco Inc. and its related entities remain on 'CreditWatch' with "developing implications," which means the ratings may be raised or lowered . . . Pittsburgh-based Cyclops, a retailer and specialty steelmaker, said it had agreed to be acquired by Britain's Dixons Group for about $384 million . . . Sunworld Airways of Las Vegas is dropping two planes from its nine-plane fleet and firing four vice presidents . . . Nashville, Tenn.-based Hospital Corp. of America increased its quarterly common stock dividend to 72 cents a share from 66 cents, payable May 1 to shareholders of record on April 3 . . . The Federal Reserve reported that the average yield for one-year T-bills, the most popular index for making changes in adjustable rate home mortgages, rose to 6.05% last week after averaging 5.92% the week before.