An earlier version of the story said Citibank cut $2.3 billion of its reserves last quarter. That figure is inaccurate, and should be $1.4 billion.
A video report on a nationwide law enforcement action targeting Medicare fraud included aerial video that showed the offices of All Ways Home Care in Miami. That business was not implicated in any way in that operation, and we regret the error.
An earlier version of this story said the assertion that Romney's tax cuts would cost $5 trillion came from the left-leaning Center on Budget and Policy Priorities, but the CBPP says it relied on figures reported by the Tax Policy Center.
In an earlier version, the story gave the wrong day for the Oct. 22 presidential debate. It is a Monday, not a Wednesday.
An earlier version of this article incorrectly converted 6 degrees Celsius to 42.8 degrees Fahrenheit. It is in fact around 11 degrees Fahrenheit.
An earlier version of this story stated that Sandberg said Facebook attracts employees who tend to be "millions focused." The correct quote is "mission focused."
An earlier version of this story stated that Debra Reed was the first female CEO of SoCalGas. It has been corrected to indicate she was the first female officer.
An earlier version of this story described the new 747-8 as having three levels, including a loft between the first and second decks. The additional area is actually at the back of the plane, which has only two decks in all.
An earlier version of this story contained miscalculations that affected the rankings. This error has been corrected.