BHP boss Mike Henry is far from done with Anglo American . The chief executive of the Australian mining giant is mulling an improved offer for his London-listed rival after it rejected his first proposal last week,

Whether successful or not, the Australian mining giant’s offer puts pressure on Anglo’s board and management to consider significant changes to its business.

The mining giant is already one of the largest companies on the ASX 200. A successful buyout bid of Anglo America could add to the heavy concentration of resource stocks on the index.