FTSE 100 falls to two-week low as Antofagasta cuts outlook

Aug 13 (Reuters) - London's FTSE 100 fell to a more than two-week low on Thursday after Antofagasta's downbeat copper production forecast sparked losses in the mining sector and offset any relief from stronger-than-expected economic growth in June.

The blue-chip FTSE 100 index closed 0.6% down at 10,772.67 points — dropping for a fourth consecutive day and touching its lowest since July 27. The mid-cap FTSE 250 climbed 0.1% to 24,837.71 points.

• Britain's economy unexpectedly grew in June as companies enjoyed a respite from the energy price surge caused by the Iran war, the start of the men's soccer World Cup and hot weather, official data showed.

• Gross domestic product rose by 0.3% in June, putting Britain on course for the strongest growth among the Group of Seven rich economies in the first half of 2026, after being flat in May. The pound, though, was largely unchanged against the dollar as the data did little to change near-term interest rate expectations.

• "This is not a boom though, and quarterly growth has slowed from 0.6%, but Britain is proving significantly harder to knock off course than many feared," said Sam North, market analyst for eToro.

• Antofagasta shares fell 6.8% after the company cut its 2026 copper output forecast due to a shutdown at its Los Pelambres mine in July. Shares of other miners Rio Tinto and Anglo American dropped 4.8% and 3.5%, respectively.

• The FTSE 350 indexes of industrial metal miners and precious metal miners fell more than 3% each as metal prices lost steam against a firmer dollar. [GOL/] [MET/L]

• A tame U.S. inflation reading on Wednesday dented expectations of an interest rate hike from the Federal Reserve next month. Yet, a lack of progress to permanently end the Middle East conflict kept oil prices from further decline amid investors' assessments of prospects for weaker global demand and higher U.S. crude stocks. [O/R]

• Among mid-cap stocks, Costain gained 4.6% after the infrastructure solutions firm issued upbeat half-yearly results.

• British property firm Savills surged 10.9% as it posted a 47% rise in half-year underlying profit, strengthened by an improvement in its North American and transactional businesses.

(Reporting by Anand Gopal and Sruthi Shankar in Bengaluru; Editing by Maju Samuel and Andrea Ricci )