Thomas Bolton, the UK’s only copper alloy maker, has been placed in administration in preparation for sale as a going concern.

It’s been a busy week in Metal Bulletin’s newsrooms. What were the key stories? Tweet @alexharrison_mb with what you think the biggest stories and market moves are.

What stories and events passed over the screen of Metal Bulletin editor Alex Harrison in the past week?

Metal Bulletin has launched an index for copper concentrate treatment and refining charges (TC/RCs) on a cif Asia-Pacific ports basis.

The recent depreciation of the yuan will hit Chinese demand for imported materials, according to a recent poll.

KGHM Polska Miedz is expecting profits of 3.2 billion zloty ($1.02 billion), down 15% from last year, the company said on Friday February 15.

Metal Bulletin and Steel First spoke to delegates at the annual Investing in Africa Mining Indaba earlier this month.

What does Barrick Gold, the world’s largest gold miner, have in common with Rio Tinto, the world’s second-largest iron ore producer? Quite a lot, as it became clear this week.

Iron ore production in Mexico rose by 12% year-on-year in November 2012, according to figures recently published by the national statistics agency, Inegi.

In the popular imagination, the 1920s were a period of excitement, advance, growing affluence and short skirts. Here, Trevor Tarring looks at the key features of the decade for metals trading and Metal Bulletin