This story was originally published on Manufacturing Dive. To receive daily news and insights, subscribe to our free daily Manufacturing Dive newsletter. Tariff supply chain effects continue to be a concern as the manufacturing industry contracts in September, according to the Institute for Supply Management’s latest Purchasing Managers’ Index. ISM’s index registered 49.1% in September, up 0.4 percentage points compared with August. A PMI index below 50% indicates an industry in contraction. “Demand contin ...