Step in creating trade (5)
I believe the answer is:
tread
'step' is the definition.
(I know that step can be written as tread)
'creating trade' is the wordplay.
'creating' indicates an anagram.
'trade' is an anagram of 'TREAD'.
'in' acts as a link.
(Other definitions for tread that I've seen before include "way of dancing" , "Walk or step like pattern on tyre" , "Put one's foot down!" , "March" , "between the car and the road" .)