In a crash positive news is totally ignored. Investors want to conserve cash and run for the exit. The is nothing that can hold up a share price in a dead market. If that was the case BHP wouldn't have fallen to $22 last GFC.
Its important to remember there are 25,000 daytraders in Australia. Once downward momentum starts its very hard to stop. I hate to say it but EOC could reach 10 cent level.