It could be concerned about terrorism attacks on major financial centers. (3dpolicy.ca)
These regulated brokers are usually based in major financial centers around the world such as London, Singapore, Hong Kong, Tokyo and New York. (fxempire.com)
Widely considered the most prestigious name in investment banking, Goldman is headquartered in New York, and maintains offices in London, Frankfurt, Tokyo, Hong Kong, and many other major financial centers around the world. (vault.com)