4 Stocks to Buy as Manufacturing Activity Continues to Expand Posted byRitujay Ghosh December 2, 2021 Leave a comment on 4 Stocks to Buy as Manufacturing Activity Continues to Expand Manufacturing activity is getting a boost from higher demand and consumption, helping stocks like Welbilt (WBT), A. O. Smith (AOS), Helios Technologies (HLIO) and Applied Industrial Technologies (AIT).