7 Biggest Price Target Changes For Tuesday By: Benzinga via Benzinga April 24, 2018 at 10:05 AM EDT Cantor Fitzgerald lowered Prothena Corporation plc (NASDAQ: PRTA) price target from $69 to $14. Prothena shares closed at ... Read More >> Related Stocks: Alphabet-A Costar Group Inc Hasbro Hershey Co Lennox International Philip Morris International Prothena Corp