Los lunes siempre sube, es cuando llegan las transferencias a MTGox retenidas durante el fin de semana. Ya veremos que pasa mañana.
No creo que hoy sea por eso, hoy los bancos no abren en Japón:
http://www.boj.or.jp/en/about/outline/holi.htm/National and Bank Holidays in Japan
2013
January 1 (Tues.) New Year's Day
January 2 (Wed.)-3 (Thurs.) Bank Holiday
January 14 (Mon.) Coming-of-Age Day
February 11 (Mon.) National Foundation Day
March 20 (Wed.) Vernal Equinox Day
April 29 (Mon.) Showa Day
May 3 (Fri.) Constitution Day
May 4 (Sat.) Greenery Day
May 5 (Sun.) Children's Day
May 6 (Mon.) Children's Day Observed
July 15 (Mon.) Marine Day
September 16 (Mon.) Respect-for-the-Aged Day
September 23 (Mon.) Autumnal Equinox Day
October 14 (Mon.) Health-Sports Day
November 3 (Sun.) Culture Day
November 4 (Mon.) Culture Day Observed
November 23 (Sat.) Labor Thanksgiving Day
December 23 (Mon.) The Emperor's Birthday
December 31 (Tues.) Bank Holiday