Seattle Genetics, SciClone Pharmaceuticals Among Stocks Setting 52-Week Highs Wednesday

These are the six most popular stocks that rose to 52-week highs:

• The share price of Seattle Genetics (NASDAQ:SGEN) climbed today, reaching and then surpassing its previous 52-week high of $24.43. In spite of its performance and peak price of $24.63, the stock was trading on below-average volume. On volume of 1.6 million shares, shares went up 1.2%.

• While trading on below-average volume, SciClone Pharmaceuticals (NASDAQ:SCLN) improved today, reaching and then surpassing its previous 52-week high of $7.18. It peaked at $7.32. Shares saw a 2.2% price spike and traded at a volume of 706,878. Share price is up, having risen $1.50 (25.8%) from $5.81 on May 14, 2012. The stock is trading 17.7% above its 50-day moving average and 25.5% above its 200-day moving average.

• While trading on above-average volume, Mercantile Bank (NASDAQ:MBWM) climbed today, reaching and then surpassing its previous 52-week high of $16.45. After trading at a volume of 38,028, the stock price rose 4.3%.

• The share price of Pacific Mercantile Bancorp (NASDAQ:PMBC) went up today, reaching and then surpassing its previous 52-week high of $6.55. The stock was trading on above-average volume. On volume of 35,495 shares, the stock price climbed 4%.

• While trading on above-average volume, United Community Financial (NASDAQ:UCFC) climbed today, reaching and then surpassing its previous 52-week high of $2.54. The stock price increased 3.7% with a volume of 74,489.

• While trading on below-average volume today, Marine Products (NYSE:MPX) set a new 52-week high of $5.90. The price has since dropped off. The stock price was down 5.6% with a volume of 13,126. The stock is down over the last two months, having fallen 39 cents (-6.6%) from a price of $5.91 on April 16, 2012. The stock has moved down across its 50-day moving average of $5.59 today.