ABX short term positive movement

Playing Trading Simulator Game:

Bought 3000 shares at $14.65 on 2JAN18.

Currently in the green $900.

5SMA - 20SMA looks positive.
Short term positive movement.

Stochastic Oscillator crossed toward sell on 3JAN18.
Stochastic Oscillator dropped below 80 on 4JAN18.

Hold or order a trailing stop?
Resistance at $15.27.
Support at $14.61.

Trade closed: stop reached:

Sold at $14.66 on 9JAN18.
This rookie gets anxious when prices fall