Nanofilm Technologies International Limited (“Nanofilm”) (SGX:MZH)’s stock has tumbled over 30.0% following the release of its results for the financial half-year ended 30 June 2021 (“1H2021”). In this article, delve into the group’s latest earnings to check on its recent business performance. 1. Negative net profit growth for 1H2020  In 1H2021, Nanofilm’s revenue saw an increase of 24.2% to S$96.6 million from S$77.8 million in 1H202. However, net profit after tax for 1H2021 stood at S$18.1 million, 2.3% lower as compared to S$18.5 million in 1H2020, dragged down by increased expenses related to the new Shanghai Plant 2 (utility, facility management, manpower additions and training) and equipment qualification costs, as well as new product introduction (NPI) projects, amounting to a total of S$5.4 million, which has yet to contribute materially to the group’s top line. 2. Mixed results from respective business units (BUs) To recap, Nanofilm has 3 main BUs, namely Advanced Material Business Unit (AMBU), Nanofabrication Business Unit (NFBU) and Industrial Equipment Business Unit (IEBU)....