S&P 500 Index formed a 4-week double top; targeting 50 day moving average then key retracement level

SP formed a 4-week double top at 1813.6/1811.5 on the break below the 1777.2 support. Near term, the 50 day MA seems to be the next logical support/target. Below there is the double top equality target at 1744.0 and then the 50% retracement of the rise from the October low is at 1730.0.