This version updated with Legg Mason correcting data from its survey about how much time investors spend worrying about their money.
An earlier version misspelled Neal Frankle's first name.
This version clarifies what the trigger could be for a new bottom in oil prices.
The headline was updated to reflect that 21 Inc. has raised $116 million.
The correct price for Apple TV is $69.
This story was updated to reflect the Treasury is asking Congress to raise the debt limit.
This version corrected the unemployment rate to 5.5 percent.
This story was updated to reflect U.S. factory orders fell 0.2 percent in January.