. >> weltweit austausch von braun und guten. >> globalization the. >> worldwide exchange of goods and commodities, has proven to be a great. >> success story that has created prosperity for us all. in the uk and germany, in the usa, but also in many other parts of the world. that's why it's important that we don't divide up the world now with a lot of customs barriers, but that we also make this exchange of goods and services possible for the future. global markets are reacting to the potential trade war. already, markets in europe have tumbled. look at that. just in the first hour of trade. for more on reactions in china, we'll go now to cnn's marc stewart in beijing. because obviously, a lot of eyes on china here, the impact that will be there. but every country is now questioning whether they're going to be in a trade war with america. >> well, let's just look at the markets for a moment. here in asia, two of the biggest indexes, the nikkei in japan and the kospi in south korea, they saw declines of more than 2% at the final close today. that is a big number when you look at asian