Matthew Goldstein

NEW YORK (Reuters) - U.S. prosecutors are investigating David Loeb, a managing director of Goldman Sachs Group Inc, as part of an insider-trading probe focusing on the company's hedge-fund clients, a person familiar with the case said on Wednesday.

NEW YORK (Reuters) - Kevin Marino may be the lawyer of the moment, after persuading a U.S. appellate court panel last week to overturn the criminal conviction of a former Goldman Sachs Group computer programmer.

NEW YORK (Reuters) - Kevin Marino may be the lawyer of the moment, after persuading a U.S. appellate court panel last week to overturn the criminal conviction of a former Goldman Sachs Group computer programmer.

NEW YORK (Reuters) - Kevin Marino may be the lawyer of the moment, after persuading a U.S. appellate court panel last week to overturn the criminal conviction of a former Goldman Sachs Group computer programmer.

BOSTON (Reuters) - LightSquared, the ailing wireless company backed by hedge fund manager Philip Falcone, said on Tuesday that it plans to cut its workforce by 45 percent in order to save cash.

BOSTON (Reuters) - LightSquared Inc., the wireless company backed by hedge fund manager Philip Falcone, said on Tuesday it plans to lay off nearly half of its employees to save money.

(Reuters) - Satellite firm Inmarsat said LightSquared, a venture struggling to build a U.S. mobile broadband service with Inmarsat's spectrum, failed to pay a $56.25 million installment to the British company.

NEW YORK (Reuters) - A research analyst who made waves by refusing to cooperate in the government's broad insider-trading probe was charged with illegally passing tips he gleaned from technology company insiders to hedge funds.

NEW YORK (Reuters) - An outspoken research analyst who made waves by refusing to cooperate in the U.S. government's broad insider-trading probe was charged with illegally supplying hedge funds with tips as part of his consulting service.

NEW YORK (Reuters) - A plan by a PIMCO investment fund to take an ownership stake in a small North Carolina bank has run into a problem with U.S. bank regulators.

NEW YORK (Reuters) - Hedge fund managers bought shares of several of last year's hot IPOs in the fourth quarter, including upscale retailer Michael Kors <KORS.N> and online networking site LinkedIn <LNKD.N>.

(Reuters) - When commodities brokerage MF Global imploded, the FBI and federal prosecutors were quick to launch an investigation to pursue what seemed obvious to outspoken regulators and lawmakers: laws were broken and crimes were committed.

LONDON/NEW YORK (Reuters) - David Einhorn's reputation as one of the hedge fund industry's most respected investors took a bit a of a hit Wednesday when Britain's financial regulator imposed a 7.2 million pounds fine on him and his Greenlight Capital fund for alleged trading abuses.

BOSTON/NEW YORK (Reuters) - Billionaire investor Carl Icahn is buying some of the debt of hedge fund manager Philip Falcone's LightSquared Inc <MOSAV.UL> as the ailing wireless-network company runs short of cash, according to two sources familiar with the matter.

BOSTON/NEW YORK (Reuters) - Hedge fund manager Philip Falcone is looking at the possibility of selling some wireless assets to raise cash for his financially strapped telecom start-up LightSquared Inc, sources familiar with the matter said on Friday.

(Reuters) - Hedge fund titan Steven A. Cohen is once again in the spotlight over allegations of improper trading at his $14 billion SAC Capital Advisors.

NEW YORK (Reuters) - Authorities arrested four people and will announce charges against several more on Wednesday as part of the government's sweeping probe into insider trading at hedge funds, an FBI spokesman said.

NEW YORK (Reuters) - Seven people were charged with a scheme to reap nearly $62 million in illegal profits on trades on Dell Inc shares, the latest salvo in a sweeping probe of suspicious trading at hedge funds.

NEW YORK (Reuters) - U.S. prosecutors charged seven people, described as a circle of friends who formed a criminal club, with running a $62 million insider trading scheme - the latest salvo in a years-long probe of suspicious trading at hedge funds.

NEW YORK (Reuters) - U.S. prosecutors charged seven people, described as a circle of friends who formed a criminal club, with running a $62 million insider trading scheme - the latest salvo in a years-long probe of suspicious trading at hedge funds.