Why DroneShield, Novonix, Predictive Discovery, and Weebit Nano shares are charging higher

The S&P/ASX 200 Index (ASX: XJO) is having a mixed start to the week. At the time of writing, the benchmark index has slipped into the red and is down slightly to 8,984.8 points.

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