Complex adaptive systems are special cases of complex systems. They are complex in that they are diverse and made up of multiple interconnected elements and adaptive in that they have the capacity to change and learn from experience. Simply, it means the Stock Market has a mind of its own.
When Market learn that she is wrong; she will quickly change and move in the right direction - Up or Down. She will continue in the same direction until she learn she is wrong and change again.
In simple term, Market always learn to be right. If you think the Market is not right, the problem lies with you.