pyramid vs securities market

pyramid and securities market both are nouns.

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

pyramid (noun)	securities market (noun)
(stock market) a series of transactions in which the speculator increases his holdings by using the rising market value of those holdings as margin for further purchases	an exchange where security trading is conducted by professional stockbrokers
a polyhedron having a polygonal base and triangular sides with a common vertex

pyramid (verb)	securities market (verb)
increase rapidly and progressively step by step on a broad base
arrange or build up as if on the base of a pyramid
enlarge one's holdings on an exchange on a continued rise by using paper profits as margin to buy additional amounts
use or deal in (as of stock or commercial transaction) in a pyramid deal