securities market vs stock market

securities market and stock market both are nouns.

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

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

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

Other synonyms of securities market include stock exchange.

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