The market for crude rubber has continued to rise. Rubber brokers, however, are skeptical of the benefits to be derived from acquiring rubber plantations in the Dutch possessions.

The market for crude rubber has continued to rise, under the influence of light U. S. and British stocks, steady demand for the automobile trade and curtailed British production in the British plantations.

The Rubber Association of America, Inc., composed of the large U. S. rubber manufacturers, has adopted a…