At 14:21 GMT, the Footsie dipped 15 points or -0.201% as commodities stocks put pressure reversing earlier gains.
At 15:02 GMT, the Footsie dipped 3 points or -0.046% at 7,759.2 as commodities stocks put pressure reversing earlier gains.
Commodity shares weighed as oil and copper prices fell and base metals and metals also gave up gains. Hochschild Mining was among the biggest fallers on the index, sliding -4.28% to 248.50p.
“After several days of impressive runs in the base metals group, the complex is undergoing a sharp correction today,” said Edward Meir of INTL FC Stone was quoted in the Financial Times.
“We see no single reason behind the reversal, but considering that we were rallying relentlessly for much of the past week, a selloff was imminent.”
The FTSE 100 was -0.046% down at 7,759.2 points as of 15:05 GMT on Tuesday, January 16, 2018.