Coca Cola has reported a 55 percent jump in its fourth quarter profits thanks to strong growth in emerging markets. The Atlanta, Georgia-based company, whose brands include Diet Coke, Sprite and Dasani water, said that net income increased to $1.54 billion from $995 million a year earlier, while revenue increased 5.4 percent to $7.51 billion. The results were boosted by strong sales in emerging markets, which helped to offset weaker demand in the US, a market which reported a case volume decline of one percent. The domestic market has been affected by high unemployment a