European shares pushed down by weak commodity prices
* FTSEurofirst 300 down 0.5 pct at close, FTSE 100 down 0.6 pct
* Weak oil and metals prices weigh on markets
* Ocado falls on concerns of competition from Amazon (Adds detail, updates prices at close)
By Sudip Kar-Gupta and Kit Rees
LONDON, Dec 30 (Reuters) - European stock markets fell on Wednesday as weak commodity prices hit the shares of mining and energy companies.
Online supermarket group Ocado also underperformed, with its shares sliding 3.3 percent on concerns over growing competition from a rival service at Amazon.
The pan-European FTSEurofirst 300 index was down 0.5 percent at its close, while the euro zone's blue-chip Euro STOXX 50 index fell 0.8 percent, surrendering ground after rising in the previous session.
Britain's FTSE 100 index of leading shares fell 0.6 percent while Germany's DAX was down 1.1 percent.
"The ongoing weakness in the oil price is dragging down the markets," said John Plassard, senior equity sales executive at Mirabaud Securities. Continuación...