» The Aluminum Corp. of China’s US$ 19.5 billion investment in Rio Tinto won anti-trust approval from German regulators on March 31.

» Rio Tinto said April 1 that the German Federal Cartel Office found no anti-competitive element to the proposed investment.

» This approval clears another regulatory hurdle for the deal.

» However, the investment is still pending reviews from authorities in China and the United States, as well as Australia's Foreign Investment Review Board.