The Israel-Hamas tension could lead to more government spending, especially on defense, despite already high spending levels, due to the strong US-Israel alliance; The real “winners” of wars are those who produce weapons.

Winners:

Weapon-makers:

Lockheed Martin (LMT) gains +8.93%
General Dynamics (GD) gains +8.43%Northrop Grumman (NOC) gains +11.43%
Oil:

Halliburton (HAL) gains +6.77%
ConocoPhillips (COP) gains +5.63%
Exxon (XOM) gains +3.54%