Britain's FTSE 100 fell in the opening of trading, as the index was hit by a stronger pound, something that generally erodes stock value.
The dollar dominated trading overnight in Asia, as investors reacted to Trump's "Buy American, Hire American" speech.
Samsung (SSNLF) confirmed that battery faults were the cause of fires in its Galaxy Note 7 flagship phone. This led to the recall of the Galaxy Note 7, which cost Samsung more than $6 billion.
Global crude prices drifted lower as traders focused on the increasing production capacity in the United States.