Ex-Obama aide: Get used to 'very different world' By: CNBC.com News January 29, 2015 at 10:53 AM EST "We're in a period of uncertainty and ... the volatility is going to continue," Bill Daley, former Obama chief of staff, tells CNBC. Read More >> Related Stocks: Caterpillar DuPont USA Microsoft Procter & Gamble iPath Dow Jones-Goldman Sachs Crude Oil Fund
