European shares headed for biggest fall since September
* FTSEurofirst 300 down 1.8 pct
* Weak Wall Street, commodity prices knock shares
* Rolls-Royce slumps after another profit warning
* Aegon and RWE also fall after results (Recasts, adds detail, quote)
By Alistair Smout
LONDON, Nov 12 (Reuters) - A top European stock index looked set for its biggest fall in six weeks on Thursday, as weakness in U.S. equities and commodity prices combined with poor earnings updates to drag shares lower.
The pan-European FTSEurofirst 300 index was down 1.8 percent at 1,466.93 points by 1505 GMT, heading for its biggest daily decline since Sept. 28.
The index weakened after Wall Street fell on the back of jobs data that supported the view that the U.S. Federal Reserve could raise rates in December.
Disappointing earnings in Europe added to the sour mood, including another profit warning from Rolls-Royce, which sent the British engine maker's shares skidding 20 percent and on track for their biggest one-day percentage drop in 15 years. Continuación...