For 2016 keep an eye on Fed meetings. Normally 2-3 weeks before a scheduled meeting the US markets will be volatile ...more so when Fed is on a path to hiking interest rates.

The Federal Open Market Committee announced its tentative meeting schedule for 2016:

January 26-27 (Tuesday-Wednesday)


March 15-16 (Tuesday-Wednesday)


April 26-27 (Tuesday-Wednesday)


June 14-15 (Tuesday-Wednesday)


July 26-27 (Tuesday-Wednesday)


September 20-21 (Tuesday-Wednesday)


November 1-2 (Tuesday-Wednesday)


December 13-14 (Tuesday-Wednesday)


January 31-February 1, 2017 (Tuesday-Wednesday)



The Chair's quarterly news conferences will take place following the March, June, September, and December meetings.


Source: Federal Reserve USA