The Federal Reserve reported that the average...

The Federal Reserve reported that the average yield for one-year T-bills, the most popular index for making changes in adjustable-rate mortgages, fell to 9.28% last week from 9.48% the week before . . . Sumitomo Bank of California said it plans to make a public offering of 1 million shares of its common stock to be priced in mid-May . . . In an effort to settle its debt problems, Mexico asked the Japanese government to extend new loans worth $1 billion in the form of advance payment for crude oil imports, according to Nikki Telecom, a Tokyo news service.