An earlier version of this story said Tesla sells around 4,000 vehicles a quarter.
St. Louis Fed President James Bullard said last week that he thinks full employment is closer to 6 percent and therefore we're about 0.6 percent away from full employment.
Nakao's quote on emerging markets has been corrected to "they have pursued good macroeconomic policies," from "they have passed good democratic processes."
The version corrected that Wal-Mart Stores posted earnings excluding items of $1.60 a share, beating analysts' estimates by a penny a share.
This article has been updated to reflect the correct revenue comparison.
An earlier version of this story included an incorrect figure for the Fed's monthly bond purchases. The correct figure is $65 billion.