Why are Lynas Rare Earths shares crashing 6% today?

Lynas Rare Earths Ltd (ASX: LYC) shares are down around 6% in Thursday lunchtime trade, to $13.04 a piece.

Today’s slump means the shares have now fallen 16% over the past month, but they’re still around 7% higher for the year-to-date.

It’s been a rocky start to the year for…