Looking across the European benchmark, Ocado shares soared 20.84 percent — making it the top performer of the day. This was after the French supermarket Groupe Casino signed a deal with the British online grocer.
Renewable energy firm Siemens Gamesa shot up 9.9 percent after Sweden's Vattenfall announced that it had a "historically large wind power order" with the Spanish group, involving a total of 113 turbines for three new offshore wind farms. The news helped boost Danish wind turbine firm Vestas, which jumped 8.7 percent by the close.
Elsewhere, Royal Dutch Shell popped 3.4 percent after announcing that it would be scrapping its Scrip dividend program from 2017's fourth quarter.
At the other end of the benchmark, Udg Healthcare slipped 3 percent, off its session lows, following news that its CFO Alan Ralph will retire.
Shares in Denmark's Chr Hansen also slipped 2.87 percent after the ingredients maker announced that its CEO, Cees de Jong, would be stepping down.