Wall St. Denizens 
Major in astronomy? URSA
German sub? ERSATZ
Theme: Fiduciary phrases reinterpreted
Chicken, beef, or fish? STOCKOPTION
Expensive bottle of wine? LIQUIDASSET [some people trade wines instead of drinking them]
All 26 letters have been used.
Ostentatious behavior AIRS [
Air, the verb, denotes such behavior, but AIRS, a noun, does not denote ostentation. If one wanted to clue AIRS as a plural verb, then the clue would have to be pluralized.]
Three-time Oscar winner for Best Foreign Language Film BERGMAN [this clue says he’s a movie]
RATING:
Three grins = Excellent: Loved it; Two grins = Good: Enjoyed it; One grin = Satisfactory: A bit bland for my taste; One teardrop = Unsatisfying: No fun
