AA has extended falls and its shares are now trading down 12.5% at 104.42p following a sharp fall in interim profits.
The wider FTSE 250 is down 3.65 points at 20,457.41.
The FTSE 100 has rebounded and is now trading up 0.17% at 7,520.39.
Hospitals group NMC Health is leading the blue chip risers, up 3.9% at £35.20.
Precious metals miner Fresnillo is the largest faller, down 2.1% at 842.9p.