MTX ▲ +1.6% - Minerals Technologies Inc. $MTX - Minerals Technologies Inc. Hosts 2026 Investor Day September 22 Minerals Technologies shares rose 1.6% following the announcement of the company's 2026 Investor Day, scheduled for September 22. Investor days typically provide management with an opportunity to present strategic updates and financial guidance directly to the investment community, which can generate optimism about the company's outlook. 16-SEP-2026 12:13 PM ET