Nortel Filed for Bankruptcy

--CCC --its debt/EBITDA is hovering above 20, much worse than Cisco 2-3 --profit margin has almost been negative since Q3 2006 --Revenue has been shrinking where the other two have been at least stable or incresing --7 y senior unsecured bonds trading at 20 cents --Lucen, BB-, 5y bonds is trading at 68 cents, but it might be in danger. Negative review for downgrade is possible. Stay away.