Sonoco, one of the largest diversified global packaging companies, reported record base financial results for its fourth quarter and full-year 2014.   Net sales for 2014 were $5.01 billion, up 3.4%, compared with $4.85 billion in 2013. The increase was mostly due to increased volumes and acquisitions, partially offset by the negative impact of foreign exchange.   Net sales for the fourth quarter were $1.32 billion, up 8.5%, compared with $1.22 billion in last year’s quarter. The increase was...