Stocks Hitting 52-Week Highs By: Benzinga via Benzinga March 19, 2014 at 10:12 AM EDT Prothena Corporation plc (NASDAQ: PRTA) shares surged 23.52% to touch a new 52-week high of $45.90 after the company reported clinical ... Read More >> Related Stocks: Enterprise Products Partners LP Hewlett-Packard Prothena Corp