NASDAQ OMX GROUP

The companies whose shares are moving in pre-market trade on Monday are: Ford Motor, Caterpillar, Sandisk, NYSE Euronext, Lowes Companies, Advanced Micro Devices, Peabody Energy and Carnival Corp.

BATS Global Markets Inc, the third-largest U.S. exchange operator after NYSE Euronext and NASDAQ OMX Group , filed with U.S. regulators for an initial public offering.

The White House on Thursday pressed Congress to pass strong cybersecurity measures to protect consumers' personal information and safeguard the nation's financial system and electric power grid from potentially devastating attacks.

The White House issued a proposal on Thursday to secure critical U.S. infrastructure and federal computer networks that aims to fend off attackers while assuring the privacy of Internet users.

Nasdaq OMX Group Chief Executive Robert Greifeld, unbowed after NYSE Euronext twice rejected his takeover offer, is pressing forward with a hostile bid for the Big Board parent, promising to launch a tender offer within weeks.

IntercontinentalExchange Inc CEO Jeffrey Sprecher said on Wednesday NYSE Euronext's directors have effectively handed over the fate of the Big Board to its shareholders.

Nasdaq OMX Group and IntercontinentalExchange Inc will take their takeover bid for NYSE Euronext straight to the Big Board's shareholders as they try to corner the company into talks.

Nasdaq OMX Group and IntercontinentalExchange Inc will take their takeover bid for NYSE Euronext straight to the Big Board's shareholders as they try to corner the company into talks.

Nasdaq OMX Group and IntercontinentalExchange Inc will take their $11.1 billion takeover bid for NYSE Euronext straight to the exchange operator's shareholders with a tender offer.

Nasdaq OMX Group and IntercontinentalExchange Inc took their $11.1 billion takeover bid for NYSE Euronext straight to the exchange operator's shareholders on Monday with a planned tender offer.

The companies whose shares are gaining in pre-market trade on Friday are: SunPower, Netgear, Skyworks Solutions, MEMC Electronic Materials, Renesola, First Solar, Merck & Co, NYSE Euronext, Leggett & Platt, Suntech Power Holdings and Yingli Green Energy Holding

Shares of CoStar Group Inc. (NASDAQ: CSGP) touched a new life-time high of $66.09 on Thursday, while LoopNet Inc. (NASDAQ: LOOP) touched a new 52-week high of $18.55.

Shares of Vital Images Inc. (NASDAQ: VTAL) jumped a new 52-week high of $18.71 on Thursday. The company said Wednesday it agreed to be acquired by a subsidiary of Toshiba Medical Systems Corp. for $18.75 per share, or about $273 million, through a cash tender offer followed by a merger.

Stock index futures pointed to a slightly higher open on Wall Street on Wednesday, with futures for the S&P 500, the Dow Jones and the Nasdaq 100 up 0.04 percent to 0.2 percent.

Nasdaq OMX Group and IntercontinentalExchange warned NYSE Euronext investors to be highly skeptical of the additional cost savings that the NYSE says will result from its friendly merger with Deutsche Bourse.

Shares of Penn National Gaming Inc. (NASDAQ: PENN) touched a new 2-year high of $40.45 on Thursday. The company's first quarter earnings and revenue exceeded Street view as its casinos saw a growth in business, and it raised outlook for the year.

Shares of TradeStation Group Inc. (NASDAQ: TRAD) touched a new 2-year high of $9.70 on Thursday. Japanese online brokerage Monex Group said Wednesday it agreed to acquire U.S. peer TradeStation for about $411 million to gain a foothold in the world's largest equities market.

NYSE Euronext directors rejected as too risky and lacking value a sweetened takeover offer from Nasdaq OMX Group and IntercontinentalExchange , the second time in 11 days the board backed a lower bid from Germany's Deutsche Boerse AG .

NYSE Euronext directors rejected as too risky and lacking value a sweetened takeover offer from Nasdaq OMX Group and IntercontinentalExchange , the second time in 11 days the board backed a lower bid from Germany's Deutsche Boerse AG .

Nasdaq OMX Group's quarterly profit rose 70 percent, as the exchange operator battling to buy out crosstown rival NYSE was helped by robust European and derivatives trading.

Nasdaq OMX Group , the exchange operator battling to buy out crosstown rival NYSE, showed few signs it was distracted from its core business as it logged record profit on the back of robust derivatives trading.