OLDWICK, N.J.--(BUSINESS WIRE)--In a recent A.M. Best survey, respondents from U.S. property/casualty (P/C) companies stated that their most favored investment strategies included shortening their overall portfolio duration and increasing allocations to common and preferred stocks. A new Best’s Special Report, titled, “Property/Casualty Insurers Continue Interest in Equity Holdings,” explores equity allocations of P/C insurance companies, stating that P/C insurers have to be prudent and careful