Why Magellan, Origin, Piedmont Lithium, & WiseTech Global are dropping

In afternoon trade, the S&P/ASX 200 Index (ASX: XJO) has given back most of its morning gains but remains slightly higher for the day. At the time of writing, the benchmark index is up 0.1% to 7,334.7 points.

Four ASX shares that have failed to follow…