MELBOURNE -- Standard&Poor's CreditWire 3/21/97 -- Standard&Poor's today has revised the foreign currency outlooks to stable from positive on the following four major Chinese financial institutions: Bank of China, Bank of Communications, China International Trust&Investment Corp., and The Industrial&Commercial Bank of China. At the same time, Standard&Poor's has affirmed its foreign currency ratings on these four companies (see list below). The outlook revisions reflect the restructuring and internal reforms that must still take place before these four financial institutions will be able to operate at an adequate risk level in a changing domestic environment. At this point in time, their ratings remain reliant, to a significant degree, on the support