Reuters

"These people that we welcomed just three months ago with teddy bears and water bottles ... started shooting at the cathedral dome and started shooting at police. Well seasoned police officers then confessed to me that they never saw something like this in their entire lives."

To be sure, there were already a number of concerns about the upcoming Olympic games in Rio. For instance, last summer we learned that thanks to a lack of sanitation infrastructure, Olympic athletes are almost certain to come into contact with disease-causing viruses in the water. In the latest embarrassment, power to the stadium that will host the Olympic track and field events was cut off after a dispute between the government and a soccer club ended in a $250,000 unpaid utility bill.

Gold has has been one of the best months for gold in terms of monthly performance in the last 10 years. Bloomberg confirms that today.

Energy investors got clobbered in 2015, and are hoping for things to turn positive as we head into the New Year. What can we expect in 2016? Here is a rundown of some key trends to watch for...

And with that we can finally close the book on slippery central bank semantics on what precisely it is that they do, and what it is they plan to achieve.

• Obama, wiping tears, makes new push to tighten gun rules (Reuters)
• Global stocks hit by China worries, North Korea nuclear test (Reuters)
• Oil hits 11-year low, Saudi-Iran row cuts chances of output restraint (Reuters)
• North Korea says successfully conducts first H-bomb test (Reuters)
• Valeant Planning to Appoint New Leader as CEO Remains Hospitalized (WSJ)
• Treasuries Extend 2016 Winning Start With Growth Outlook Clouded (BBG)

Before we go into details of the overnight carnage, this is where we stand currently: S&P futures now down 33 points or 1.63% while 2Y Treasury rallies pushing its yield back below 1% as EU stocks extend their drop after China weakened its currency, North Korea says it tested a hydrogen bomb; Brent crude falls to lowest level since 2004.

About 90 women have reported being robbed, threatened or sexually molested at the New Year's celebrations outside Cologne's cathedral by young, mostly drunk, men, police said on Tuesday.  The scale of the attacks has shocked Germany. About 1,000 drunk and aggressive young men were involved. City police chief Wolfgang Albers called it "a completely new dimension of crime" adding that "the men were of Arab or North African appearance." Cologne mayor Henriette Reker said the attacks were "monstrous" adding that "we cannot allow this to become a lawless area."

"The next step will be, once they've tested it with several flights, they will bring down some of their fighter air power - SU-27s and SU-33's - and they will station them there permanently. That's what they're likely to do."

"He stopped studying and rented bouncy castles for children's parties while supporting banned militant group Al-Muhajiroun and running 'roadshows' aimed at attracting troubled youngsters in inner-cities"...

EU countries join the UK, the U.S., Canada, Australia and New Zealand in having plans for bail-ins in the event of banks and other large financial institutions getting into difficulty.

"You said you were here to help the citizens of Harney County. It is time for you to leave our community, go home to your families, and end this peacefully,”

• Global share market settles after stormy start to year (Reuters)
• Stocks Extend Losses as Yen, Gold Rise on Lingering China Unease (BBG)
• China battles to shore up stocks, yuan after globe-shaking slide (Reuters)
• Volkswagen faces billions in penalties as U.S. sues for environment violations (Reuters)
• Obama tightens gun rules, requires more background checks (Reuters)