There will be other co's vying for removal from the ASX200...

There will be other co's vying for removal from the ASX200 before SEA - take BCI and AGO for example.

This is clearly oversold but there are obviously some that need to get out quickly. I wouldn't be surprised if some of this is driven by margin calls.

Also, it's worth viewing the decline against others in the sector. LNR has already been mentioned, but look at BPT, SXY etc. It makes one feel better to realise we're not alone!