Tuesday’s biggest gaining and declining stocks

SAN FRANCISCO (MarketWatch) � Shares of Est�e Lauder Cos., Zynga Inc. and McGraw-Hill Cos. were active in trading on Tuesday. Dell Inc. trended on Twitter after it announced it will go private in a $24 billion deal.

Gainers

Computer Sciences Corp. CSC �shares rallied 10%, the best performer in the S&P 500 Index SPX . The information-technology company said it swung to a third-quarter profit of $3.27 a share from a loss of $1.39 a share a year earlier. Read: Computer Sciences swings to profit.

Est�e Lauder EL �shares added 5.3%. The beauty-products maker said its second-quarter earnings rose to $1.13 cents a share from $1 a share a year ago. The company also raised its earnings outlook for the year to a range of $2.51 to $2.59 a share from $2.47 to $2.56 a share forecast earlier. See: Est�e Lauder profit rises 13%.

Click to Play Dell to go private

Dell has agreed to be taken private by a group led by founder Michael Dell, in a deal valuing the firm at $24.4 billion. (Photo: Getty Images)

GameStop Corp. GME �shares rose 5.2%, continuing its gains for a third day. The stock is one of the biggest winners so far this week.

U.S.-listed shares of Virgin Media VMED �jumped 17%. The U.K. cable operator on Tuesday confirmed it is in discussions with Liberty Global Inc. LBTYB �about a possible deal. Read: Virgin Media confirms talks with Liberty Global.

Shares of Canadian phone maker BlackBerry, formerly known as Research In Motion Ltd. BBRY , climbed another 8.4% after rising 15% in the prior session. Shares began trading under the new ticker Monday. Read: Oracle, Facebook fall but BlackBerry rises.

Shares of Zynga ZNGA �rose nearly 7% after Bank of America Merrill Lynch raised the stock to buy from underperform, due to limited downside in asset value and stabilizing mobile trends. The company is also due to report results on Tuesday. Read: 4 reasons to be skeptical of Zynga.

Decliners

Edwards Lifesciences Corp. EW �shares slid nearly 5%. The medical-devices company on Monday reported its fourth-quarter profit rose 44%, but projected first-quarter earnings of 74 cents to 78 cents a share compared with analysts� estimate of 77 cents a share. Read: Edwards falters on mostly positive earnings day.

Shares of McGraw-Hill MHP �fell 5.1%, extending losses from Monday, as the U.S. government announced its lawsuit against the company�s Standard & Poor�s Ratings Services unit for allegedly ignoring standards in rating mortgage bonds leading up to the global financial crisis. Read: McGraw-Hill shares suffer on DOJ lawsuit.

Shares of its main competitor Moody�s Corp. MCO �are also down 2.5%.

Reuters Top tickers trending

$DELL: Dell DELL �dominated conversation on the Web as the computer maker announced it has agreed to be taken private in a deal valuing the PC maker at $24.4 billion. Michael Dell, who owns about 14% of shares, and Silver Lake Management will offer $13.65 a share. Microsoft Corp. MSFT �is lending $2 billion to help finance the deal. Read: Dell to go private.

@SconsetCapital: @MichaelDell DUDE!!! You�re getting a $DELL!!! :)

@florarhim: Ugh this is the only time in my life I regret not having bought $DELL

$YUM: Yum Brands Inc. YUM �shares pared losses to trade 3% lower. The parent of Taco Bell and KFC on Monday said its fourth-quarter earnings fell to 72 cents a share from 75 cents a share a year earlier on negative publicity from the government�s review of poultry supplies in China. The fast-food conglomerate also estimated that in 2013 earnings per share would drop by a middle single-digit percentage. Read: Yum Brands profit falls 5% as China sales jump.