You will be given a trivia clue, and the category it belongs to. You should answer with the best answer that belongs in the category and is described by the clue. For simplicity, answers should be in all lower cased letters.

Category: U.S. RIVERS 
Clue: The Falls of Saint Anthony stop this mighty river from being navigable north of St. Paul, Minnesota
the mississippi

Category: THE BUSINESS WORLD 
Clue: Because many of these have happened to GE stock, 1 share bought in 1892 would be 1,536 today
stock splits

Category: GONE FISHIN' 
Clue: The name of this fierce ocean fish may come from the Spanish word barraco, meaning "overlapping teeth"

a barracuda