Taner Seben, the Turkish Ambassador to Singapore, shares evidence that the downed Russian jet violated Turkish air space.
If the U.S. or UN mediate between Russia and Turkey, risks of gas pipeline disruptions will lessen, says Sailesh Jha, chief Asia economist at Credit Suisse Private Banking & Wealth Management.
The Russian jet downing led to an unwinding of existing risk trades, says Ray Attrill, co-head of FX strategy at National Australia Bank.
Oil prices rallied nearly 3 percent Tuesday. But over the next year, increases are expected to be more subdued.
Steven Pifer, senior fellow at the Brookings Institution, says there had been the prospect of a Western coalition, including the U.S., France and Russia, undertaking military operations in Syria.
Rodger Shananhan, research fellow at the Lowy Institute for International Policy, says the key issue is that Turkey returns the Russian pilots from the downed jet.
UBS' Art Cashin says the market could take a tremendous blow if this happens.
President Obama and French President Francois Hollande pledge to broaden the scale of strikes on ISIS in Iraq and Syria.
President Vladimir Putin called Turkey's downing of a Russian fighter jet "a stab in the back" carried out by the accomplices of terrorists.
Valentin Marinov, head of G-10 FX research at Credit Agricole, comments on how geopolitical tensions will affect markets and says the Russian plane incident is going to weigh on the Turkish lira.
Turkey confirmed Tuesday that it shot down a Russian warplane, claiming it had violated Turkish airspace and ignored repeated warnings.
Investors in security and defense companies may stand to benefit from redoubled government efforts to stamp out terrorism.
Turkish fighter jets shot down a Russian warplane near the Syrian border.
Rabbi Shmuley Boteach, radio and television host and best-selling author, says the threat from ISIS must be taken seriously and criticizes President Obama's foreign policy.
The Paris attacks are expected to lead to a Europe-wide rise in security spending but France's budget is already strained. Marie Owens Thomsen, senior economist and strategist at Credit Agricole Private Banking, discusses.
Cathay Pacific flight CX 841 from New York to Hong Kong was diverted to Beijing as a passenger required urgent medical assistance, the carrier said.
German Chancellor Angela Merkel, who's usually seen as Europe's indispensable leader, is in danger of losing that role.
The terrorist group is taking our weapons and buying them on black markets.
ISIS recruits are made to feel like Batman, able to wage fights against injustices around the world "as they see it," anti-terrorism expert Evan Kohlmann tells CNBC.
The deadly Paris attacks and the terror lockdown in Europe could start affecting the world economy, an expert on global political risk tells CNBC.