Porsche shares are down sharply after Volkswagen said a merger between the two German carmakers will not be completed by the year-end as planned.

Shares in Porsche Automobil Holding SE traded down 11.3 percent Friday at €39.21.

A German court rules that Samsung Electronics's Galaxy Tab cannot be sold in Germany because it violated patents of rival Apple's iPad2.

A Duesseldorf state court said Friday it would not allow Samsung, based in Seoul, South Korea, to market its Galaxy Tab 10.1 in Germany because it too closely resembles the iPad2.

A Goodwill worker who spotted a photograph of Confederate General Robert E. Lee has helped the charity make $23,000 in an online auction.

The tintype photograph was in a bin, about to be shipped out, when a worker grabbed it and sent it to the charity's local online department. The item was then put up for auction.

Justin Bieber met fans in a purple leather jacket at Dolce & Gabbana in New York, Michael Kors launched his new Rockefeller Center store with a Rockettes kick line, a Ferris wheel went up over Rodeo Drive in Beverly Hills and crowds of fashionistas spilled into the streets of Paris Thursday as Fashion's Night Out entered its third year.

"I'm wearing Dolce & Gabbana head to toe," said Bieber, who was signing D&G T-shirts ($195 apiece) for fans in Manhattan, one of hundreds of Fashion's Night Out events worldwide.

Nike is going back to the future.

The sneaker maker on Thursday said it has created a limited-edition shoe based on a glowing pair that appeared in the popular 1989 movie "Back to the Future II." The 2011 Nike Mag is designed to be an exact replica of the fictional sneaker, including a glowing Nike name on the strap. But unlike the movie version, these shoes won't lace themselves.

Expect to see more ads flowing through Twitter's stream of tweets in the coming weeks, but don't expect to read anything soon about an IPO from the online messaging service.

Twitter CEO Dick Costolo delivered that message in a Thursday meeting with a group of reporters at the company's San Francisco headquarters.

As the 10th anniversary of the Sept. 11 terror attacks draws near, U2 frontman Bono admits he's "a very proud American on 9/11."

"It's just too big a moment in all our lives," Bono said. "Even if you're not American, everyone became an American that day."

Oprah Winfrey got plenty of 'likes' on Facebook Thursday from fans who tuned in to watch a live online chat with the social networking site.

The TV personality gave a one-hour interview to Facebook Chief Operating Officer Sheryl Sandberg at the company's Palo Alto, California, headquarters. The chat took place in front of an audience of Facebook employees who cheered and took photos on camera phones when she walked out.

The real life adventures of former al-Qaida-linked terrorist Nasir Abas have become a new comic book in Indonesia, chronicling his transformation from militant to invaluable ally in the fight against terrorism.

The story of the soft-spoken, seemingly mild-mannered 42-year-old — recognized by strangers on the streets and even asked for the occasional autograph — is well-known in the world's most populous Muslim country.

Italian swimmer Filippo Magnini once ruled the pool in the 100 meter freestyle, but on Thursday he met his match dolphin-style.

The captain of the national swimming team raced a pair of dolphins — King, 19 years old, and Leah, nine-years old — at a specially arranged event in a swimming pool in Torvaianica, about 30 miles (50km) south of Rome.