* Cogent Communications, a Washington company that provides high-speed Internet access, said it had filed with the Securities and Exchange Commission for a public offering of $75 million worth of common stock. Cogent's outstanding preferred stock will be converted into 500.2 million shares of common stock and Cogent will then effect a 1-for-20 reverse stock split of the resulting 514.3 million shares of outstanding common stock, resulting in 25.7 million shares of common stock outstanding prior to the offering. Jefferies & Co. will lead the underwriting syndicate. Shares of Cogent closed at 87 cents, down 68 cents, or 43.9 percent.

* Information Analysis, a Fairfax information technology services company, earned $53,000 (1 cent a share) on $2.1 million in revenue during the first quarter, rebounding from a loss of $191,000 (2 cents) on $920,000 during the same quarter a year earlier. Shares closed at 45 cents, down 2 cents.

* IceWeb, a Herndon company that specializes in Web-based corporate training and communications, lost $180,268 (0 cents a share) during its second fiscal quarter ended March 31, compared with a loss of $86,101 (0 cents) during the same quarter last year. Second-quarter revenue grew to $1.6 million from $13,054 last year. For the six months ended March 31 the company lost $150,337 (0 cents) on $3.1 million in revenue, compared with a loss of $194,936 (1 cent) on $32,865 in revenue. Shares closed down 1 cent at 46 cents.

* WorldTeq, a Rockville telephone and Internet communications company, lost $282,469 (1 cent a share) on $117,540 in revenue during its first quarter, compared with a loss of $146,533 (1 cent) on $382,444 in revenue during the same period a year ago. Shares closed down 2 cents at 14 cents.

Compiled from reports by Washington Post staff writers and Dow Jones News Service.