WPM ▼ -3.9% - Wheaton Precious Metals Corp. $WPM - Wheaton Precious Metals Announces Investor Day Webcast on September 16, 2026 Wheaton Precious Metals shares fell 3.9% today following the company's announcement of an investor day webcast scheduled for September 16, 2026, though the headline provided no additional context explaining the decline. 01-SEP-2026 05:00 PM ET