คำอธิบาย
⋅ S&P HISTORICAL SUPPORT AND RESISTANCE LINE.
1ST BLACK LINE ACTING AS SUPPORT FROM 2000 HIGH CROSSING OVER 2007 HIGH MAKE IT A HISTORICAL RESISTANCE.
2ND BLACK LINE ACTING AS FINAL SUPPORT FROM 2002 LOW CROSSING OVER 2009 LOW MAKING IT A HISTORICAL RESISTANCE LINE FOR ULTIMATE BUY???