Mid-Day Market Movers

LML Payment Systems

shares advanced 81.82% to $3.40 at 12:45 pm. Digital River

announced its plans to buy LML Payment Systems for around $97.3 million. Longwei Petroleum Investment Holding Limited

surged 28.72% to $1.56. Longwei Petroleum reported that it will complete the purchase of the assets of Huajie Petroleum Co Ltd by the end of this month. B Communications Ltd

surged 23.32% to $4.5383. B Communications' trailing-twelve-month operating margin is 16.26%. Rambus

climbed 20.28% to $5.93. Rambus shares have dropped 65.08% over the past 52 weeks, while the S&P 500 index has gained 25.57% in the same period.