Just to update, Children of Mana has sold 99,250 copies in North America and 295,500 copeis in Japan according to VG Charts. It looks like Japanese sales have come to a halt (250 copies per week) and NA sales has slowed dramatically. The game is almost done so the stock price is too high.
11
http://www.vgcharts.org/usagamemh.php?name=Children+Of+Mana
http://www.vgcharts.org/japgamewk.php?name=Seiken+Densetsu+DS%3A+Children+Of+Mana