Germany's DAX 30 index opened down 55.60 points, or 0.23%, at 24,293.18 on Wednesday, October 22.
The UK's FTSE 100 index opened up 46.74 points, or 0.50%, at 9,473.73 on Wednesday, October 22.
France's CAC 40 index opened down 42.49 points, or 0.51%, at 8,216.37 on Wednesday, October 22.
The Stoxx 50 index opened down 21.38 points, or 0.38%, at 5,665.45 on Wednesday, October 22.
The Spanish IBEX 35 index opened up 15.04 points, or 0.10%, at 15,791.74 on Wednesday, October 22.
The Italian FTSE MIB index opened up 58.72 points, or 0.14%, at 42,707.00 on Wednesday, October 22.