Irvine-based Financial Corp. of America said its thrift subsidiary, American Savings & Loan Assn., had a deposit inflow of $56 million, the second consecutive day that deposits have exceeded withdrawals . . . Moody's Investors Service said it is reviewing for possible downgrade the long-term debt ratings of ITT Corp. . . . Pasadena-based Parsons Corp. said it has completed the acquisition of C. T. Main Corp., a Boston-based engineering and construction firm . . . Short interest rose to record levels on the New York Stock Exchange and American Stock Exchange for the month ended March 15 . . . Legislation to bar the sale of Japanese telecommunications equipment in the United States until Japan fully opens its markets to similar U.S. equipment was introduced in the Senate by Sen. John Chafee (R-R.I.) . . . J. C. Penney reported that it has established a new subsidiary, J. C. Penney Credit Services, to market its credit processing capabilities to other companies.