Definitions for "relative strength"
A stocks price change over a period of time relative to that of a market index,...
Price performance of a stock or group of stocks compared to a given norm, such as the Standard & Poor's 500 or the Dow Jones industrial average. A stock moving up 20% when the norm moves only 10% is considered to have good relative strength.
A charting technique where an industry share price index or the price history of a stock is compared with the movements in a larger sector. One is divided with the other and the result is expressed as an index.
Keywords:  yield, spread, value
Relative value Relative yield spread