Stocks Hitting 52-Week Highs

KemPharm Inc KMPH shares reached a new 52-week high of $23.29 after the company reported Q2 results and announced positive data from intranasal human abuse liability study of KP201/APAP. Oclaro, Inc. OCLR shares touched a new 52-week high of $2.90. Oclaro shares have jumped 66.27 percent over the past 52 weeks, while the S&P 500 index has surged 6.56 percent in the same period. Principal Financial Group Inc PFG shares rose 0.72 percent to reach a new 52-week high of $57.33. Principal Financial will host an investor workshop at the Harvard Club in New York City on November 6, 2015. US Concrete Inc USCR shares rose 1.07 percent to touch a new 52-week high of $56.60. US Concrete's PEG ratio is 1.11.