The green arrows on the chart mark the times where the CCI rose back up through the -100 level, generating a fresh 'buy' signal. Notice also that on about the same day, the Fisher Transform gave an 'end of cycle' signal with a bullish cross.
To eliminate clutter, I didn't mark all of the CCI 'sell' signals or bearish Fisher 'end of cycle' signals, but notice that when the CCI falls back below +100 that Fisher Transform moves in sympathy generating an 'end of cycle' signal with a bearish cross.
Back on about 12/31/2013 these two indicators went bearish but there was no market reaction for 2 weeks. The current signals by these two indicators suggest that traders take a cautious approach to the market until there is more clarity. Perhaps Yellen's testimony will launch the markets to new highs today that stick. Perhaps not.