BRIEF-Moody's asgns B2 rtg to DaVita's sr. note offering; Ba3 CFR affirmed
Aug 14 (Reuters) - DaVita Inc.
* Moody's assigns B2 rating to DaVita's sr. note offering; Ba3 CFR affirmed
- Citing security threat, Obama expands U.S. role fighting Ebola
- Tesla prevails in top Massachusetts court over direct sales
- Russia needs government investment to avoid recession, says former finance minister
- Stocks end higher on bet Fed won't change rate stance
- Ukraine ratifies EU deal, offers special status to rebels