Longman Dictionary of Contemporary English
bull market
noun
EXAMPLES FROM CORPUS
▪ By contrast, 1995 saw a drop-dead bull market.
▪ Spicer points out that the sector has thrived in a bull market but the advertising boom may be coming to an end.
▪ The effect is similar to a situation in which share prices rapidly increase - a bull market.
▪ The number of unit holder accounts has also grown, particularly in the bull market years of 1985 to 1987.
▪ They hear that there is a bull market to ride, and they do not care which direction the bull is headed.
▪ This bull market will end, as every bull market eventually ends.
▪ Yet savers will still profit from the bull market as beneficiaries of the pension funds to which they sold their shares.
Wiktionary
bull market
n. (context finance English) A stock market where a majority of investors are buying ("bulls"), causing overall stock prices to rise.
WordNet
bull market
n. a market characterized by rising prices for securities