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Magma Design (Nasdaq: LAVA) 27% HIGHER; Synopsys (Nasdaq: SNPS) to acquire Magma for $7.35/share in cash Scorpio Tankers Inc.

(NYSE: STNG) 13.8% LOWER; announced today that it intends to offer and sell 7,000,000 shares of its common stock in an underwritten public offering.

The purpose of the offering is to enable the Company to fund the acquisition of two 52,000 dwt newbuilding tankers that it is currently negotiating to have constructed at Hyundai Mipo Dockyard Co.

Ltd. of South Korea.

Gainers

• SPDR S&P 500 (NYSE: SPY) up 2.38 percent to $127.26. Markets rebounding on EU deal today.
  
  Following long negotiations, leaders agreed on a deal to reduce Greece's debt and expand capacity of the EFSF. The S&P 500 is up about 2.3 percent, while the Dow Jones and Nasdaq are about 2 percent better.
• United States Oil (NYSE: USO) up 2.34 percent to $35.88.
  
  Crude higher as GDP daa today shows that the economy grew more than anticipated. According to data Thursday, GDP in the U.S.

The Trading Radar highlights key earnings and economic announcements for tomorrow's trading session: Before The Market Opens Earnings: China ACM Inc.

(Nasdaq: CADC) - consensus EPS $0.20 KB Home (NYSE: KBH) - consensus loss $0.19 Check out our Earnings Insider for news and updates on earnings as they happen!

Collective Brands (NYSE: PSS) 33% HIGHER; Board announced it will explore strategic alternatives. Reported Q2 EPS of $0.16, $0.02 better than the analyst estimate of $0.14.

Revenue for the quarter came in at $882.4 million versus the consensus estimate of $868.02 million. Oxygen Biotherapeutics, Inc.

(Nasdaq: OXBT) 26.4% LOWER; The Board of Directors of Oxygen today announced that Chris J. Stern is no longer Chief Executive Officer and Chairman of the company, effective immediately.

Due to the circumstances surrounding his dismissal, Mr.

Gainers

• United States Natural Gas (NYSE: UNG) up 1.33 percent to $10.27. Nat gas futures are pushing higher today, bolstered by expectations for hotter weather in the Midwest and Northeast, as scorching temps are still expected in Texas and southern parts of the U.S. next week.
  
  Nat gas futures are trading $0.066 better to $4.060 on the Comex today.
• iPath S&P 500 VIX Short-Term Futures ETN (NYSE: VXX) up 8.64 percent to $33.96.
  
  U.S. markets are tumbling again today, sending the volatility index higher once again.

Gainers

• United States Oil (NYSE: USO) up 1.20 percent to $38.86. Crude trading higher today as Greece may enter a potential aid package, helping to to curb borrowing costs and allow for further intervention with Greece and other European states.
  
  The news may mean a rebound in Europe, and is certainly a welcome announcement for U.S. markets. Also, the euro is seeing some upside becuase of the news, making crude contracts cheaper.
  
  Crude is $1.18 higher to $99.58 per barrel on the Comex.

St. Joe (NYSE: JOE) 4% HIGHER; catching a bid after hours following a 9 percent move lower today amid news of an SEC investigation.

Teekay Offshore Partners LP (NYSE: TOO) 2% LOWER; to sell 700,000 units for net proceeds of about $20 million.

Check out our After-Hours Movers entity page to track this report each day.

The parent company of the New York Stock Exchange said Sunday that it rejected an $11.3-billion bid from Nasdaq and IntercontinentalExchange to buy the company.

Here is a recap of the top news items from this week on Wall Street: 1. The Communications sector was extremely active this week as AT&T (NYSE: T) announced a $39 billion deal for Detusche Telekom's (OTC: DTEGY) T-Mobile.

The news sent shares of DT surging 11% on Monday, while shares of Sprint (NYSE: S) tumbled 13%. A number of analysts were out calling Sprint the clear "#3" in the wireless market behind AT&T and Verizon (NYSE: VZ). Click here to see our full list of winners & losers from the deal. 2.

The Trading Radar highlights key earnings and economic announcements for tomorrow's trading session: After the Market Closes Earnings: Pep Boys (NYSE: PBY) - consensus EPS $0.08 Check out our EPS Central for news and updates on earnings as they happen!