Why Catalyst Metals, Lynas, Polynovo, and St George Mining shares are pushing higher today

The S&P/ASX 200 Index (ASX: XJO) is having a poor start to the week. In afternoon trade, the benchmark index is down 0.4% to 8,867.7 points.

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

Catalyst Metals Ltd (