Un-Zipped

Shares of Zipcar, which rents cars by the hour or day, fell 37 percent to $6.75, a record low, after the company cut its forecast for sales this year to $272 million to $278 million.

Sands probe

Sheldon Adelson’s Las Vegas Sands is being investigated by federal authorities over possible violations of money-laundering laws relating to money transfers by two Sands’ high-rollers, WSJ.com reported.

Heir-ing out

Russell Wasendorf Jr., president of Peregrine Financial Group and son of its CEO and founder, had planned to leave the now-collapsed brokerage firm over differences with his father, his lawyer said, but the “Midwest Madoff” convinced him to stay, WSJ.com reported.

Close e-book

The antitrust settlement with e-book publishers CBS unit Simon & Schuster, Lagardère SCA’s Hachette and HarperCollins, owned by Post owner News Corp., should be approved, federal lawyers said.

Oracle slips

Berkshire Hathaway’s second-quarter profit fell 9 percent to $3.11 billion, or $1,882 a share, as derivative bets fell in value.