Regular market corrections are facts of life. They are good for markets as excess speculation ends and new set of stocks emerge once correction is over.
Due to extraordinary Fed stimulus in last couple of years we have not had major corrections. We might be in the midst of one now.
Market seems to be on path of revisiting recent lows. There has been thinning of leadership and now many long term winners are breaking down.
Most corrections in market tends to be short term in duration terms so likely we might get end of the year rally once this correction plays itself out .