Why Appen, BlueScope, Fortescue, & Marley Spoon shares are dropping

In afternoon trade, the S&P/ASX 200 Index (ASX: XJO) has bounced back from its intraday lows but is still in the red. At the time of writing, the benchmark index is down 0.15% to 7,517 points.

Four ASX shares that are falling more than most today are…