1.   But if a company has bumped your rate already, the best deals may not be available.

2.   Delta Air Lines cut its chronically high passenger bumping rate during the third quarter but still led the industry for the first nine months of the year.

3.   Some investors are not so confident the Fed will refrain for now from bumping up rates.

4.   Last week, the Fed bumped up rates for the fourth time since June, a move that raised borrowing costs for consumers and businesses.