As a reaction, stock markets fell sharply this Monday: In Tokyo, the Nikkei Index lost more than 5 percent, while the Hang Seng in Hong Kong fell almost 4 percent. Australia's ASX Index fell particularly hard with a minus of 7.3 percent and in Germany, the DAX tumbled almost 8 percent at the start of trading. The picture around the Gulf is even more dramatic - markets have shed up to around 10% there.