Wall Street rises with healthcare; oil rallies (Update 1)

Traders work at the post where Allergan stock is traded on the floor of the New York Stock Exchange (NYSE) April 6, 2016. REUTERS/Brendan McDermid

NEW YORK: US stocks rose on Wednesday (early afternoon), bolstered by gains in healthcare shares after the collapse of the US$160bil merger of Pfizer and Allergan, and by a rise in energy shares.