Axsome Therapeutics (AXSM) had the highest return between December 1, 2018 and January 31, 2019 by a mid-cap US stock or mid-cap US stock, returning 154.2%.
The closing price for PNC Financial Services (PNC) in 2014 was $67.01, on December 31, 2014. It was up 22.7% for the year. The latest price is $186.15.