Comdisco has racked up mounds of debt as expansions into other areas, such as telecom, have failed. In a charge dropped last week by federal judges, Rambus accused Infineon Technologies IFX of stealing patented Rambus technology. Much of Rambus revenue depends on the royalties it collects. Without help from the courts, Rambus does not make a compelling investment, said Morningstar stock analyst Jeremy Lopez. Earlier this week, the wireless- data products and services provider reported mixed results for its first quarter.
Analysts are concerned about deteriorating margins, and a lack of profits.
Aether's slowly growing subscriber base of just 56,000 is not large enough to generate profits, said Morningstar's MacKay. See current prices of these stocks. Compiled from staff reports, company press releases, and news services. Read Morningstar's full analyst reports on all of the stocks mentioned in this article free for 30 days. She welcomes e-mail but cannot give investment advice.