0
30
60
90
1990
1998
2006
1994
2002
Jul 2009
CSCO: 18.5
AMA(20,2,30): 21.77
1990
1998
2006
1994
2002
⛶
AMA(20,2,30): 21.77
CSCO: 18.5
AMA(20,2,30): 21.77