Race to mega-mergers upsets ten world-leading labs. - According to the newspaper, Les Echos, the mega mergers of 2009 have changed the positions in the league tables for the global pharmaceutical laboratory world leaders. The US company Pfizer kept its place at number one by taking over its fellow US firm, Wyeth, last year for $60 billion. Pfizer alone accounts for a turnover of $45.4 billion. With the $22.4 billion in turnover from Wyeth, it appears that Pfizer has further increased the...