Shakhtar Donetsk 0-0 Bayer Leverkusen
The teams played out a scoreless draw in Ukraine. Bayer remained in second place in Group A with seven points.
Shakhtar are third with five.
FC Copenhagen 1-0 Galatasaray
Daniel Braathen scored in the sixth minute to give Copenhagen an unexpected win at home to Galatasaray in Group B.
The result left both teams on four points, six behind leaders Real Madrid and one ahead of Juventus.
Olympiakos 1-0 Benfica
Kostas Manolas' first-half goal was enough to secure three points for Olympiakos in Group C.
The win sent the Greek side clear in second place with seven points, three behind leaders Paris Saint-Germain.
PSG 1-1 Anderlecht
Zlatan Ibrahimovic scored in the 70th minute to end Anderlecht's brief bid for an upset in Group C.
Demy De Zeeuw had given the visitors a shock lead in the 68th minute, but Ibrahimovic leveled for PSG moments later.
Anderlecht's Sacha Kljestan was sent off in the 82nd minute for his second bookable offence.