Cisco, the fast-growing maker of data-networking equipment, has a relatively small presence in Manhattan.

It allied with Sun Microsystems, the fast-growing maker of work stations but had clashes with the Silicon Valley company.

Profit in the quarter included a nonrecurring, pretax gain of $27.1 million representing the carrying value of Compaq's investment in Conner Peripherals Inc., a fast-growing maker of computer disk drives.

Sun Microsystems Inc., the fast-growing maker of computer work stations, today reported a net loss of $20.3 million for its fourth fiscal quarter, ended June 30.

Xylan is a fast-growing maker of equipment for linking computers in corporate and institutional networks and has been making inroads into selling more complex gear to telephone companies.

L.A. Gear Inc., the fast-growing maker of fashion-oriented athletic shoes, said today that Federal prosecutors in Massachusetts were investigating whether it had underpaid duties on imported shoes.

"They've got a very short string to show on results," said Robert Graham, the chief executive of Novellus Systems Inc., a fast-growing maker of semiconductor production equipment.

At the end of January, as it announced its results for 2000, Nuance Communications, a fast-growing maker of speech recognition software, promised investors that it would be an exception to the technology sector's woes.

Mr. Graziano's departure from Sun comes as the fast-growing maker of computer work stations expects to report its worst quarter, and possibly its first loss ever.

Wyse Technology, once a fast-growing maker of personal computers and computer terminals, said today that it would reduce its work force by 15 percent in response to steep drops in revenue.