Some chart reading and key points to take away:
1. Prev Closing rally
Progressively Large volume and narrow price range.
Limit orders indicates smart money vs auto mkt orders.
2. Small indication to gap up and BN retracing from 20500 finding strong support
3. Best part is to patiently watch bears sweat with fresh buying and optimal time to book profits.
Big WB followed by similar bearish Inv. hammer.
Obviously in hind sight but the brain is trained like this,
just like boxers and cricketers