Stocks are still down but Dow revives hopes for a turnaround Tuesday

The market's volatility tracker, the CBOE Volatility Index, or Vix, also reflected the rollar coaster-nature of the day, and was down 2.2%, having recovered from its earlier double-digit percentage jump. And CNN Business' Fear and Greed Index fell solidly into "Fear" mode Tuesday, as investors grew worried about the Fed's policy changes and global politics.