Equity Movers: AT&T, Marimba, IBM

AppliedTheory (ATHY): The provider of Internet services said that its third-quarter net loss will exceed the 71-cent loss forecast by analysts at First Call/Thomson Financial. Shares of Applied Theory rose 94 cents, or 17 percent, to $6.44.

AT&T (T): Investment bank Salomon Smith Barney downgraded the long-distance phone carrier to "outperform" from "buy." Analyst Jack Grubman also cut his earnings-per-share estimates for 2000 by 8 cents per share, and for 2001 by 42 cents per share. Shares of AT&T fell $1.19, or 4 percent, to $27.69.

Concord Communications (CCRD): The maker of programs that detect flaws in computer networks warned third-quarter net income will be 4 cents to 6 cents a share, less than the 17-cents average forecast by analysts polled by First Call. Shares of Concord fell $10.50, or about 49 percent, to $10.88.

iManage (IMAN): The software maker said it expects third-quarter revenue below estimates. The company said it expects a loss of 7 cents to 11 cents per share before costs, compared with the earnings forecast of 2 cents by analysts at First Call. Shares of iManage fell $1.69, or about 28 percent, to $4.31.

Marimba (MRBA): The software maker warned that its third-quarter earnings will fall short of analysts' estimates. The Mountain View, Calif.-based company said Thursday that it expects a net loss of 13 cents to 17 cents a share, excluding a charge of $585,000 for deferred stock compensation. Analysts surveyed by First Call expected the company to make a profit of 4 cents per share. Shares of Marimba fell $6, or almost 54 percent, to $5.13.

IBM (IBM): The computer maker faces a potential lawsuit over its eServer brand of servers. Cary, N.C.-based Technauts holds a trademark on the name "eServer." Shares of IBM rose $1.06, or less than 1 percent, to $114.25.

Priceline.com (PCLN): The name-you-own-price Internet retailer announced that one of its affiliates, WebHouse Club, will shut down because of an inability to raise capital to complete its business plan and achieve profitability. WebHouse offers name-your-own-price gasoline and groceries. Shares of Priceline fell 50 cents, or about 8 percent, to $5.31.

Razorfish (RAZF): The Internet consulting company said it expects third-quarter revenues and earnings will be lower than anticipated because of seasonal effects in Europe and a strong dollar. The company said it expects earnings, before amortization of goodwill and other intangible assets, to be 1 cent to 4 cents per share, compared to analyst estimates of 8 cents per share. Shares of Razorfish fell $3.56, or about 40 percent, to $5.19.