► Subscribe to the Financial Times on YouTube: http://bit.ly/FTimeSubs<br /><br />Tokyo stocks are moving in a strangely binary fashion, either roaring bullishness or total despair. Negative interest rates have painted an unsettling picture, but beneath the surface are technical issues that were already there. The FT's Leo Lewis reports.<br /><br />Produced and edited by Paolo Pascual.<br /><br />For more video content from the Financial Times, visit http://www.FT.com/video<br /><br />Twitter https://twitter.com/ftvideo<br />Facebook https://www.facebook.com/financialtimes
