Scientific Games Corporation (NASDAQ:SGMS) is up 13.41% in midday trading at $9.30. SGMS has traded 666 thousand shares so far today, above its daily average of 524 thousand shares. SGMS is up about $1.30 a share over the past few days. The company has a market cap of 855.95 million. Maximize Your Trades With Profitly

Samson Oil & Gas Limited (AMEX:SSN) is up 10.10% today at $2.18. SSN has traded 1.6 million shares so far today, more than twice its daily average. SSN filed an 8-K today. The company has a market cap of 193.31 million.

China Mass Media Corp. (NYSE:CMM) is down 74% today at $6.22. CMM previously closed at $23.66. CMM began trading a little after market open around the $1.60s and quickly shot up to nearly $8. There was no news catalyst that I could find today, but traders have been all over this earlier today. The company has a market cap of 14.73 million.

Research In Motion Limited (NASDAQ:RIMM) is up 6.14% in midday trading at $14.77. RIMM has traded 19.3 million shares so far today and trades 23 million shares a day on average. RIMM has jumped more than $2 a share over the past five trading days. The company has a market cap of 7.62 billion. Maximize Your Trades With Profitly

TransAtlantic Petroleum Ltd. (AMEX:TAT) is up 5.08% today at $1.24. TAT has traded 1.2 million shares so far today, well above its daily average of 1 million shares. TAT stock is up nearly $0.20 since Friday. The company has a market cap of 453.51 million.