Mining (Euronext: SMI.NX - news) giant Rio Tinto (Berlin: CRA1.BE - news) has hiked its full-year dividend by 34% after reporting record underlying earnings in 2011, but net earnings were held back by a massive $8.9bn impairment charge relating to its aluminium businesses, prompting the group's Chief Executive to forgo his annual bonus.

AAL - Anglo American Latest Prices LONDON (SHARECAST) - Multi-metal mining giant Anglo American is rumoured to be considering an offer for US coking coal miner Walter Energy. According to The Times, the FTSE 100 miner could pitch an offer price at $120

Russian gold miner Petropavlovsk’s recorded a 32% rise in total gold production in the first half of the year and said it was on track to achieving its target of 600,000 ounces of gold for the year. During the period between 1 January to 30 June, Petropavlovsk reported total attributable gold production of 219,100 ounces, a 32% jump from 166,300 ounces in the comparable period last year.

CATEGORY: AIM BULLETIN SECTOR: MINING Thu 30 Jun 2011ATC - Atlantic Coal Latest Prices Name Price % Atlantic Coal 0.48p +5.43% $25.57 0.00% 854 +0.85% Mining 25,847 +0.86% LONDON (SHARECAST) - Pennsylvania-based coal miner Atlantic Coal has agreed to