Morning Market Movers (NVGN, OBCI, RURL, ONSM)

Novogen Limited NVGN shares surged 75.47% to $1.86 at 9:45 am. NVGN shares have dipped 52.04% over the past 52 weeks, while the S&P 500 index has gained 12.62% in the same period. Ocean Bio-Chem Inc OBCI shares advanced 44.19% to $3.10. OBCI reported a 92% y/y jump in its 2010 net income. Rural/Metro Corporation RURL climbed 36.49% to $17.13. Warburg Pincus announced its plans to acquire RURL for about $438.2 million. Onstream Media Corporation ONSM jumped 25.20% to $1.59. ONSM shares have dropped 35.86% over the past 52 weeks, while the S&P 500 index has gained 12.62% in the same period. Read more from Benzinga's Markets.