An item in the Nov. 7 Business section gave an incomplete picture of Aether Systems Inc.'s cash position. Aether had $40.9 million in cash and cash equivalents at the end of the third quarter, as reported, but the item should have also said that the company had $333.9 million in short-term investments, for a cash position of $374.8 million. (Published 11/8/02)

* Guilford Pharmaceuticals, a Baltimore biotechnology company, said its loss widened and revenue fell in the third quarter. The company's loss increased to $14.6 million (49 cents per share), from $13.8 million (46 cents) in the same period of the previous year. The company's quarterly revenue dropped to $3.3 million from $5.9 million. The quarter included a $1.5 million one-time restructuring charge associated with severance packages. The company cut 58 jobs, or 20 percent of its workforce, at the end of July. The company now has about 200 employees. Guilford ended the quarter with $113.8 million in cash, cash equivalents and investments. The company also said it began a second phase of trials of a drug to treat Parkinson's disease. Shares of Guilford gained 18 cents to close at $5.18 yesterday.

* ManTech International, a Fairfax information technology company, said it earned $6.3 million (24 cents per share) in its third quarter, compared with a loss of $3.9 million (21 cents) in the same period of the previous year. The company's third-quarter revenue rose to $130.4 million, from $105.6 million in the same period of the previous year. The company ended the quarter with $162.8 million in assets. The company also said it plans to sell 4.5 million shares of common stock and that other shareholders will sell an additional 1.65 million shares. ManTech stock gained 85 cents to close at $24.65 yesterday.

* Aether Systems, an Owings Mills, Md., wireless company, reported a loss of $226.2 million ($5.37 per share) in its third quarter, compared with a loss of $243.4 million ($5.98) in the same period of the previous year. The company's third-quarter revenue rose to $31.7 million, from $24.9 million in the quarter a year earlier. Aether ended the quarter with $40.9 million in cash and cash equivalents. Shares of Aether gained 25 cents to close at $2.90.

* Veridian, an Arlington company that provides information technology systems to national security programs, reported a profit of $7.4 million (21 cents per share) in the third quarter, compared with a loss of $3.7 million (77 cents) in the same period a year earlier. The company's third-quarter revenue rose 11 percent, to $191.8 million, from $172.4 million in the year-earlier quarter. The company said it expects fourth-quarter revenue to be between $255 million and $260 million. The company ended the quarter with $10.4 million in cash and cash equivalents. Shares of Veridian gained 27 cents to close at $22.

* BearingPoint, a McLean consulting firm, said its chief financial officer and executive vice president, Robert C. Lamb Jr., will leave the company for a similar position at FleetBoston Financial. Lamb had been with the McLean company since June 2000, but worked for FleetBoston for the 14 previous years. BearingPoint said it has begun a search for Lamb's replacement.

* Essex, a Columbia company that provides optical equipment, said it lost $1.8 million (25 cents per share) in the third quarter, compared with a loss of $2.7 million (56 cents) in the same period of the previous year. The company's revenue rose to $3.1 million from $1.9 million. Shares of Essex rose 15 cents to $2.50 yesterday.

* HealthExtras, a Rockville company that provides supplementary insurance through the Internet and pharmacy benefit management services, reported a profit of $1.5 million (5 cents per share) in the third quarter, up from a profit of $34,602 (0 cents) in the same period of the previous year. The company's revenue rose to $63.9 million, from $28.4 million in the year-earlier quarter. Shares of HealthExtras gained 24 cents to close at $4.14.

* SRA International, a Reston government contractor, reported a third-quarter profit of $5 million (21 cents per share), compared with a profit of $1.2 million (8 cents) in the period a year earlier. The company's revenue rose to $101.5 million, from $77.6 million in the year-earlier quarter. The company's shares gained 45 cents to close at $27.

* Allied Research, a Vienna defense and security company, said it acquired Eugene Hendrickx NV, a European company that provides pyrotechnic components, for an undisclosed cash amount. The company said Eugene Hendrickx's facilities will eventually be moved from its location in the Netherlands to Belgium, where another of Allied's subsidiaries is located. The 25-person company's products include signal flares, smoke generators and tracers. Allied expects the deal to close by the end of December.