Money market mutual fund yields dropped to 7.65 percent from 7.67 percent, reported the Donoghue Organization of Holliston, Mass.

Big Three automakers reported sales of North American-made cars and trucks plunged 15.5 percent in early June, compared with the same period last year for GM, Ford and Chrysler.


Beretta, an Italian gun manufacturer, will receive a $1.8 million financing plan from Maryland's Board of Public Works to help Beretta open an Eastern Shore plant and make improvements at an existing plant in Accokeek.


West Germany agreed to scrap border controls with France, Belgium, Netherlands and Luxembourg, probably late next year, the Bonn government said.

Japan offered a plan dubbed ''four pillars'' to reduce its huge auto parts trade surplus with the United States, but the pillars were criticized by U.S. officials. Commerce Undersecretary J. Michael Farren said the plan mostly reiterated past offers that had yet to stem the Japanese surplus in auto parts trade.

China's army is buying $5 million of high-technology equipment from AT&T, a company spokesman said. The contract to sell digital telephone exchanges to the Chinese army is awaiting U.S. government approval, the spokesman said.

Hitachi will manufacture and sell one of Hewlett-Packard's most sophisticated chip designs.


Peter N.G. Schwartz Cos. filed a protest with the government challenging the General Services Administration's recent award of a NASA office lease to Boston Properties. Schwartz, one of the losing developers, said its building would have cost the government less and alleged that there were illegalities in the selection process.

The Justice Department agreed not to oppose the merger of Southern California Edison and San Diego Gas & Electric on antitrust grounds after concessions were made on the issue of competition. California's attorney general opposes the $2.5 billion acquisition.

The Resolution Trust Corp. will open 14 centers nationwide where buyers can get information on 35,908 properties seized from failed thrifts.

Hollywood producers and the broadcast television networks failed to agree on a compromise plan to alter federal rules regarding ownership of the lucrative rights to television reruns. The FCC had given the two parties until today to arrive at a solution to their long-running dispute over the rules. The FCC is now expected to develop its own plan.

Foreign investment in the United States is not adequately monitored, and some federal agencies should be allowed to pool resources to do the job, Sen. James Exon (D-Neb.) told a House subcommittee. The panel is considering a bill cosponsored by Exon that would give the Commerce Department access to Census Bureau data.


ICF Kaiser Engineers, a subsidiary of American Capital and Research of Fairfax, received a contract to continue providing construction management services in a cleanup of Boston harbor. The contract gives American Capital a backlog of contract work exceeding $1 billion.

Sun Microsystems will sell $300 million worth of workstations to Mentor Graphics.

Intelsat plans to sign a $90 million contract with NASA to have space shuttle astronauts salvage an Intelsat satellite that was left in a low orbit during a March launch.

MCI has signed a five-year, $6 million contract to provide communications services to National Credit Management Corp. of Towson, Md.


Procter & Gamble bought the Old Spice and Sante Fe toiletry operations of American Cyanamid's Shulton group for $300 million.


McCormick reported a 100 percent increase in second-quarter earnings from the same period last year.


John A. Mulheren Jr. took the witness stand in his own defense and denied that he had ever made illegal stock trades in the mid-1980s with admitted inside-trader Ivan F. Boesky.


Wheeling-Pittsburgh Steel agreed to pay $700,000 to settle a suit involving water pollution from a plant along the Ohio River. A company spokeswoman said the settlement will be submitted to bankruptcy court for approval.

Japonica Partners has been sued by a group of 16 banks to stop attempts to ''seize control'' of Allegheny International, the makers of Sunbeam and Oster appliances, which filed for Chapter 11 bankruptcy protection in 1988.

The Sun papers of Baltimore and editorial employees reached tentative agreement on a new labor contract, and members of the Newspaper Guild local are expected to ratify the new contract tonight, the Daily Record of Baltimore reported.

The Software Publishers Association and the Business Software Alliance, both Washington-based, will merge.