Plotting Two Sets of Values at Once

Plot of Highs and Lows 1 for the Dow Jones Industrial Average Plot of High*Year. Symbol used is '*'. Plot of Low*Year. Symbol used is 'o'. ---+---------+---------+---------+---------+---------+--- 4000 + * + | * | | * o | | *oo | High | * | | * * | | o | | *oo | 2000 + * o + | o | | *o | | **o | | ****** ************oo | | *****oooooo*o o oooooooo | | *****oooo o | | o | 0 + + ---+---------+---------+---------+---------+---------+--- 1950 1960 1970 1980 1990 2000 Year NOTE: 7 obs hidden.