India, June 27 -- European stocks gave up early gains to drift lower on Thursday as caution prevailed ahead of this weekend's meeting between U.S. President Donald Trump and China President Xi Jinping at the G20 summit.

The South China Morning Post reported, citing sources that the U.S. and China have agreed to a tentative truce in their trade dispute that would help avert the next round of tariffs on an additional $300 billion of Chinese imports.

A breakthrough in the current stalemate is unlikely, though both sides may agree to continue talks over their escalating trade feud.

The pan European Stoxx 600 was down 0.2 percent at 381.60 after declining 0.3 percent in the previous session.

The German DAX was marginally lower, France's CAC ...