Why 4DMedical, A2 Milk, De Grey Mining, and Treasury Wine shares are racing higher today

In afternoon trade, the S&P/ASX 200 Index (ASX: XJO) is on course to end the week on a mildly positive note. The benchmark index is currently up 0.1% to 8,212.2 points.

Four ASX shares that are rising more than most today are listed below. Here’s why they are pushing…