<p class="story-body-text story-content" data-para-count="240" data-total-count="251">Glencore, a mining and energy giant based in Baar, Switzerland, is hoping to join the ranks of firms that dominate the trading of agricultural products, known as the ABCD companies (Archer Daniels Midland, Bunge, Cargill and Louis Dreyfus).</p>