Europe's main stock markets extended a recovery at the open on Friday, with London's benchmark FTSE 100 index rising 0.6% to 7 693.58 points compared with the close on Thursday.
In the eurozone, Frankfurt's DAX 30 index climbed 0.5% to 12 549.23 points and the Paris CAC 40 grew 0.4% to 5 428.04.
World stock markets have recovered over the past two days after a mid-week slump when Washington threatened to hammer Beijing with tariffs on a further $20bn of Chinese imports, ratcheting up the global trade war.