US manufacturing activity grows for the 12th straight month MATT OTT, AP Business Writer June 1, 2021 FacebookTwitterEmail 3 1of3FILE - In this Thursday, April 22, 2021 file photo, Marie Tibbott sorts product at EIP Manufacturing in Earlville, Iowa. Growth in U.S. manufacturing picked up in May, even as supply chain problems persist and businesses continue to struggle to find workers. The Institute for Supply Management, a trade group of purchasing managers, said Tuesday, June 1 that its index of manufacturing activity rose in May to a reading of 61.2 from 60.7 in April. (Jessica Reilly/Telegraph Herald via AP, File)Jessica Reilly/APShow MoreShow Less