0
30
60
90
1990
1994
1998
2002
2006
1992
1996
2000
2004
2008
Jul 2009
CSCO: 18.5
EMA(20): 20.2
0
30
60
90
1990
1994
1998
2002
2006
1992
1996
2000
2004
2008
Jul 2009
CSCO: 18.5
EMA(50): 21.7
1990
1994
1998
2002
2006
1992
1996
2000
2004
2008
2008
2006