Why Brightstar Resources, Immutep, Pilbara Minerals, and Race Oncology shares are roaring higher

In afternoon trade, the S&P/ASX 200 Index (ASX: XJO) has followed Wall Street’s lead and dropped into the red. At the time of writing, the benchmark index is down 0.2% to 8,609.6 points.

Four ASX shares that are not letting that hold them back are listed below….