Technicals - S&P500 index and Nasdaq have generated technical sell signals

The Dow Jones generated a technical sell signal at 17,732 on 13/6/16 (on the same day as the key European indices generated sell signals). On Friday night, the S&P500 and Nasdaq indices both completed technical top formations / closed below key support levels which activated technical sell signals. The downside technical targets are located at 1950 and 4500 respectively. Given the three key US indices have generated sell signals in a cluster is clear negative technical momentum indicator for the US market outlook.