Ecovyst Inc. ( ECVT ) makes and recycles sulfuric acid and provides specialized catalysts and materials that large industrial companies rely on. These products are used by manufacturers in heavy industry, oil refining, and chemical productionI focus on producing objective, data-driven research, mostly about small- to mid-cap companies, as these tend to be overlooked by many investors. From time to time, though, I also look at large-cap names, just to give a fuller sense of the broader equity markets.Analyst ...