What is a dark pool?
The US economy has shrunk at its fastest rate since the depths of the recession five years ago as it emerged that the harsh winter took a far bigger toll on activity than previously estimated.
American Apparel has fired its maverick founder Dov Charney as chairman and declared its intention to oust him as chief executive of the fashion company after repeated allegations of misconduct against him.
The International Monetary Fund slashed its forecast for US economic growth on Monday, citing a harsh winter, problems in the housing market and weak international demand for the country's products.
Back in the 1990s, when doctors had all but given up on holding the American tobacco industry to account, the lawyer Michael Lewis found an ingenious way through their defences.
Is the US economy on the cusp of great growth? Or is it being pulled back into a morass of recession?
Walmart workers and supporters in the trade union movement say they intend to stage a new series of protests over wages and conditions at America's largest private employer, in which they will target the firm's family-friendly ethic ahead of its annual shareholders meeting next week.
The US economy contracted for the first time in three years in early 2014 after a much worse performance than originally feared.
General Motors was fined $35m and agreed to take part in “unprecedented oversight requirements” on Friday over its massive recall of cars with faulty ignition switches that have been linked to 13 deaths.
What a difference three months make. As Mark Carney was gearing up in February for his third inflation report as Bank of England governor, life in his new city must have looked pretty overcast.
JP Morgan faced a barrage of criticism on Friday for it disastrous "London whale" trading loss as senators and the bank's regulator accused its executives of believing they were too big to fail, ignoring warnings about the escalating losses and deliberately withholding information.
Barack Obama warned on Saturday of a "ripple effect" through the US economy that would cost hundreds of thousands of jobs after he reluctantly signed an order to begin a huge $85bn (£56bn) programme of government cuts.
America's long-running fiscal cliff crisis was finally resolved on Tuesday night when Congress voted in favour of a White House compromise that will impose tax rises on the wealthiest and spare the working-class and middle-class.