Why Aurizon, De Grey Mining, Lynas, and Yancoal shares are falling

In afternoon trade, the S&P/ASX 200 Index (ASX: XJO) has run out of steam and is edging ever so slightly lower. At the time of writing, the benchmark index is down to 7,414.6 points.

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