Over the past week, 401(k) participants have been trading much more than usual, moving from equities into fixed income and money funds.
Treasury 10-year yield is trading at a four-year high at 2.85%, stoking fears of Fed tightening
Customers and noncustomers alike can receive market updates on stock prices and monitor sentiment on social media
The S&P 500 is now more than 10% off the record it hit on Jan. 26
Exchange-traded products tied to volatility were a 'major driver' of Monday's mayhem.
Leuthold Group's Doug Ramsey points to the market's experience in 2007 as a road map.
His Janus Henderson fund fell 0.8% on Monday, the most in a year.
Before the market's sell-off, banks had turned investments linked to volatility into a hot item.
Credit Suisse to redeem volatility note; more than a dozen other funds have suspended trading
The value of the XIV exchange-traded note plunged more than 80% in late trading Monday
