Support:
1988 – 1990 Yesterday’s support
1974-78 (K-Node)
1953-59 (K-Node)
1933 (38.2% ret of rally)
1920 (161.8% of previous move down)
1909-10 (50% retracement of rally)
1886-90 (61.8% ret of rally)

Resistance:
2009-2010 (61.8% ret of last drop)
2020-2023 (78.6% ret of last drop)
2050-2055 (K-Node of several moves and ret)
2064-66 (78.6% ret of previous move down)
2080 – previous significant high.

• Ret – retracement.

K-Node is a level where several retracements lines and extensions converge.