Japanese pop group

There have been many stock market analysts that look at the general economy for hints. In Japan, a girl pop band is doing the reverse. The band looks at the Nikkei index for how to perform. The pop group is called Machikado Keiki Japan; roughly translated as: Economic Conditions in Japan. http://www.japantimes.co.jp/news/2013/05/03/national/girl-group-bases-style-on-nikkei-ups-and-downs/#.UbQLd84zeCh