Why De Grey, GrainCorp, Pilbara Minerals, & Xero shares are dropping

In afternoon trade, the S&P/ASX 200 Index (ASX: XJO) remains on course to finish a difficult week on a positive note. At the time of writing, the benchmark index is up 0.7% to 7,033.8 points.

Four ASX shares that have failed to follow the market higher today are listed below. Here’s why…