ALT
Lucas Jackson/Reuters
David Sokol was once chairman of MidAmerican Holdings, a part of Berkshire Hathaway.

S.E.C. Ends Scrutiny of Former Top Aide to Buffett

The Securities and Exchange Commission has decided not to file insider trading charges against David L. Sokol, a onetime top lieutenant at Berkshire Hathaway and aide to Warren E. Buffett, according to Mr. Sokol’s lawyer, Barry Wm. Levine.

ALTTEXT
Spencer Platt/Getty Images
Mathew Martoma, left, with his wife, Rosemary, on Thursday.

Former SAC Portfolio Manager Pleads Not Guilty in Insider Case

The plea of not guilty by Mathew Martoma, a onetime SAC portfolio manager, sets the stage for a possible courtroom battle that would put the spotlight on the hedge fund and its owner, Steven A. Cohen.

ALTTEXT
Neil Hall/Reuters
“This is Latin America’s time,” said Martin Sorrell, the chief of WPP Group.

Seeing Opportunity, WPP Adds to Its Investments in Latin America

Martin Sorrell, chief executive of the British advertising giant WPP, says he sees growth prospects in Latin America. The firm has taken a 20 percent stake in an information technology services company based in Argentina.

Weighing the Outcome of SeaWorld’s I.P.O.

New investors may be hard pressed to duplicate the success that the Blackstone Group has had with the operator of theme parks.

BuzzFeed Announces $20 Million in New Financing | 

BuzzFeed, the social news Web site that was one of the media industry darlings of 2012, announced on Thursday that it had raised nearly $20 million in new financing from its investors, reports Brian Stelter on the Media Decoder blog. With the infusion of capital, the company will hire more employees, try to strengthen its presence on mobile phones and potentially add international editions of its Web site. Read more »

ALTTEXT
Ennio Leanza/KEYSTONE, via Associated Press
The former headquarters of the bank Wegelin & Company in St. Gallen, Switzerland, in 2012.

Swiss Bank Pleads Guilty to Tax Law Violations

In Federal District Court in Manhattan, Switzerland’s oldest private bank, Wegelin & Company, admitted to helping Americans to evade United States taxes, the first time a foreign financial institution has pleaded guilty to tax-law violations.

Banks Face New Checks on Derivatives Trading

By New Year’s Eve, 65 banks had registered their derivatives business with regulators and turned over heaps of real-time trading data to outside warehouses, fulfilling a centerpiece of the Obama administration’s financial regulatory crackdown.

ALTTEXT
Jim Sulley/Barnes & Noble, via Newscast
William J. Lynch Jr., Barnes & Noble's chief executive, shows off the Nook tablet at a bookstore in Manhattan.

Barnes & Noble Reports Decline in Nook Sales

A week after a big investment by Pearson, Barnes & Noble says that revenue for its Nook unit – including e-readers, digital content and accessories – fell 12.6 percent, to $311 million, during the holiday shopping season.

ALTTEXT

Hormel to Buy Skippy Peanut Butter

The Hormel Foods Corporation said on Thursday that it had agreed to buy the Skippy peanut butter business from Unilever for $700 million.

Bracing for the Next Political Standoff

A sense of relief among businesses is tempered by the anticipation of political battles to come. | Sophisticated investors increasingly are wary of big banks. | Al Jazeera is gaining a larger foothold in the United States with a deal for Current TV. | The Avis Budget Group’s deal for Zipcar is a new direction for the company.

Paulson & Company Named in Revised C.D.O. Lawsuit | 

The hedge fund Paulson & Company was named as a defendant in a proposed revised lawsuit brought by the bond insurer ACA Financial Guaranty Corporation. According to papers filed at the New York State Supreme Court, Paulson conspired with Goldman Sachs to persuade ACA Financial to provide insurance for a complex collateralized debt obligation called Abacus that was “doomed to fail,” Bloomberg News reports. A spokesman for Paulson said the allegations were baseless. Read more »

CVC Capital to Buy Cerved for $1.49 Billion

CVC Capital Partners has agreed to buy the Italian credit data and business intelligence company Cerved from two rival private equity firms, Bain Capital and Clessidra.

Al Jazeera Seeks a U.S. Voice Where Gore Failed | 

The pan-Arab news giant Al Jazeera has announced it is buying Current TV, the low-rated cable channel that was founded by Al Gore and his business partners. The deal, worth an estimated $500 million, is a coming of age moment for Al Jazeera as it tries to gain traction in the United States, Brian Stelter reports on the Media Decoder blog of The New York Times. Read more »

Zachary Dearing, right, an algebra teacher at Woodrow Wilson High School in Dallas, works with Cristian Alonso.
Brandon Thibodeaux for The New York Times
Zachary Dearing, right, an algebra teacher at Woodrow Wilson High School in Dallas, works with Cristian Alonso.

Deferring Six Figures on Wall Street for Teacher’s Salary

Teach for America, the nonprofit organization that recruits high-achieving college graduates to teach in some of the nation’s poorest schools for two years, has garnered renewed interest among would-be finance professionals.

Krolls’ K2 Firm Buys a Corporate Watchdog

K2 Intelligence, the investigative business started by Jules Kroll and Jeremy Kroll, has acquired Thacher Associates, a leading player in the niche business of overseeing large-scale real estate development projects on behalf of governments and developers to ferret out corruption in the construction process.