COMPANIES

Greyhound Lines, currently in Chapter 11 bankruptcy, withdrew an offer it made on May 21 to buy back about $190 million in face amount of debt for about $86 million in cash.

Marriott declared a quarterly dividend of 7 cents a share.

USX shareholders approved proposals recommending that they be allowed to vote on a stockholder rights plan, or poison pill takeover defense, and recommending that directors ensure the confidentiality of proxy votes.

Danaher Corp. said holders of 99.5 percent of the stock of Easco Hand Tools not already held by Danaher had voted to approve Washington-based Danaher's $121 million takeover of Hunt Valley, Md.-based Easco.

Japan has chosen Motorola's speech coder, the device that reproduces sound in cellular communications, as the standard for Japan's next generation of digital cellular technology.

ACQUISITIONS

Robert B. Washington Jr. withdrew his takeover bid for Washington Bancorporation, parent of National Bank of Washington. Washington Bancorp agreed to be acquired by an investor group led by Wafic Said and bank Chairman John Mason. "I welcome the involvement of a new management team," Washington said. INTERNATIONAL Marriott sold its Munich Marriott Hotel to the Adachi Marriott European Venture, a joint venture formed between Tokyo-based Adachi Enterprise Group and Marriott. REGULATION A federal appeals court has ruled that Virginia cannot prohibit auto manufacturers from requiring binding arbitration procedures to resolve legal disputes with their Virginia dealers. The Labor Department ruled that the 4,000 Chrysler employees at the company's St. Louis Plant No. 1 can be denied federal money for income support and retraining. The Chicago Mercantile Exchange agreed to pay a $100,000 fine to the Commodity Futures Trading Commission for violating reporting requirements. CONTRACTS AT&T signed a $384-million contract jointly with 12 major corporate customers including LTV, Xerox, PPG Industries and Alcoa to replace existing communications services contracts. Subject to FCC approval, the deal was made under a commission rule that gives AT&T flexibility in offering special deals to customers. Tracor Applied Sciences's Rockville-based combat systems division was awarded a five-year, $15 million subcontract by Reston-based Vredenburg to provide services to the Naval Sea Systems Command. PEOPLE Lee A. Iacocca will stay on as chairman of Chrysler after his current contract expires in December 1991. John S. Chalsty, president and CEO of Donaldson, Lufkin and Jenrette, was elected to a term as one of two New York Stock Exchange vice chairmen. Samuel Belzberg was named a director of Fairfax-based American Capital and Research.