securities market vs stock exchange

securities market and stock exchange both are nouns.

Word	Noun	Adjective	Verb	Adverb
securities market	Yes	No	No	No
stock exchange	Yes	No	No	No

As nouns, securities market and stock exchange are synonyms defined as:

securities market and stock exchange: an exchange where security trading is conducted by professional stockbrokers

Other synonyms of securities market include stock market.

securities market (noun)	stock exchange (noun)
an exchange where security trading is conducted by professional stockbrokers	an exchange where security trading is conducted by professional stockbrokers