insider trading vs trading

insider trading and trading both are nouns.

Word	Noun	Adjective	Verb	Adverb
insider trading	Yes	No	No	No
trading	Yes	No	No	No

As nouns, trading is a hypernym of insider trading; that is, trading is a word with a broader meaning than insider trading:

insider trading: buying or selling corporate stock by a corporate officer or other insider on the basis of information that has not been made public and is supposed to remain confidential
trading: buying or selling securities or commodities

insider trading (noun)	trading (noun)
buying or selling corporate stock by a corporate officer or other insider on the basis of information that has not been made public and is supposed to remain confidential	buying or selling securities or commodities