It's been a rollercoaster in the stock market today.

The bulls have made several attempts to take the market higher only to be slapped down on angst ahead of the FOMC decision on Wednesday and worries about higher rates.

But the latest rally has been the most-impressive of all as it kicked off from the lows of the day just 30 minutes ago.

SPX 10 mins

Unfortunately for the bulls, there is still 20 minutes of trading and on a day like today anything can happen.