Investing can be stressful, which is no real surprise given it is a very psychological process. Ingrained in our psyche is the fight or flight response. One of those is right in times of calamity.

Regulating your emotions is key to being effective leader. Emotional intelligence is great—but emotional regulation is even better.

I, too, was clinging to anything that could keep him tethered to life, joy and the version of childhood he was being robbed of. As fathers, we’re supposed to protect and provide. But in Gaza, we hold ...