Stocks Hitting 52-Week Highs

Yahoo! YHOO shares gained 0.36% to touch a new 52-week high of $38.27. Yahoo's PEG ratio is 1.91. Plug Power PLUG shares jumped 41.72% to reach a new 52-week high of $1.80 after projecting profitability in 2014. Micron Technology MU shares touched a new 52-week high of $22.01. Micron shares have jumped 239.47% over the past 52 weeks, while the S&P 500 index has gained 26.80% in the same period. Puma Biotechnology PBYI shares surged 52.39% to reach a new 52-week high of $70.42 after the company announced positive top line data from I-SPY 2 TRIAL.