The man French authorities were questioning was identified as Moussa Bakir, a broker at Société Générale’s futures brokerage unit. Read more..

By NICOLA CLARK and KATRIN BENNHOLD - The New York Times

A small book publisher faces off against the titans in a Harry Potter copyright case. Read more..

By JOE NOCERA - The New York Times

PetSmart has been growing by selling day care and hotel accommodations for pets, proving that being treated like a dog may not be a bad thing if pampering is part of the deal. Read more..

By JUSTON JONES - The New York Times

Looking to stand out — or at least stay employed — in the current deteriorating economy? Judith Sills, a psychologist, suggests becoming your own brand. Read more..

By PAUL B. BROWN - The New York Times

Internet-centered programs that compete with the core products of Microsoft are a driver of its bid for Yahoo. Read more..

By MATT RICHTEL - The New York Times

Under the rescue plan WestLB’s owners agreed to guarantee a new off-balance-sheet unit that would house about 23 billion euros ($33 billion) of risky securities. Read more..

By CARTER DOUGHERTY - The New York Times

The television business has about $60 billion a year in advertising revenue that is based on the ratings provided by Nielsen. Read more..

By BILL CARTER - The New York Times

Tongue planted firmly in cheek — or maybe not — Fion MacCloud of the British site Finance Markets recently offered “10 Ways the Recession Can Help the Environment.” Read more..

By DAN MITCHELL - The New York Times

If the cost of sequencing a human genome can drop to $1,000 or below, experts say it would start to become feasible to tell what diseases people might be at risk for. Read more..

By ANDREW POLLACK - The New York Times

Presentations from Yahoo’s management and its bankers argued that the company was worth more than what Microsoft has offered. Read more..

By ANDREW ROSS SORKIN and MIGUEL HELFT - The New York Times