Why DroneShield, Greatland Resources, Mesoblast, and Web Travel shares are storming higher today

The S&P/ASX 200 Index (ASX: XJO) is on course to record a small decline. In afternoon trade, the benchmark index is down 0.25% to 8,958.9 points.

Four ASX shares that are not letting that hold them back are listed below. Here’s why they are rising:

DroneShield Ltd (