MACD histogram (momentum) signals also went up suddenly, normally it signals a change in direction. This time, it is an UP move.
Thus it would call for going LONG in stocks. $INDU also gave LONG signal.

VWAP Buy features
- Green bars + Green ST + below VWAP in 5min chart
- Above SuperTrend in 30min chart
5-min chart
Buy and Sell signals are clearly marked with arrows.
30min chart
Note that SuperTrend was switched at 3:00pm. It allowed for LONG entries in 5min chart.
SuperTrend switch in 30 min charts are very important signals.