special note, edward morse will join us. us, "bloomberg surveillance," and more data checks. ♪ tom: in an active so-called self-defense, north korea perfectly detonates a "hydrogen doubt.experts it may have only been an atomic bomb. texascrude may slow west in the next hour. stephen roach of yale university. good morning, everyone. this is "bloomberg surveillance ," live from our world headquarters in new york. i am tom keene. in london, francine lacqua. today is truly a morning of expect the unexpected. francine: we go from geopolitics to data. the key to all of this, look at yen. the chinese stock route, currency movements. tom: we will get to that with an extended data check. edward morse will join us from citigroup in a number of hours. let's get to our first word news. here is vonnie quinn. vonnie: north korea's claim of a successful hydrogen bomb test is prompting alarm and skepticism. the government on tv network showed kim jong-un signing the order for the test. korea's spy agency and nuclear experts say even a faile