Many who have gotten back into the market are leery of any change in the economy, and will sell because of a change without knowing if its good or bad. In short, there was some panic selling just because of the announcement. Panic selling means a decline in prices.
In other words, when that happens, buy index funds?
"Greatness is not an act... but a habit.Greatness is not an act... but a habit." -Greg Jennings