Europe’s largest oil company, Royal Dutch Shell PLC, posted profits of nearly $7 billion for the third quarter of 2011.  The profit increase was attributed to higher prices for oil and one-time gains.  The reported profit of $6.98 billion was up from $3.46 billion in the third quarter of 2010.  Revenues for the same quarter rose 33% to $127 billion. Various one time gains, such as the sale of...