After Plunging 8.7% in 4 Weeks, Here’s Why the Trend Might Reverse for Canadian Imperial Bank (CM) Dec 1, 2021 | Companies News, Financials, Industry Visit Canadian Imperial Bank of Commerce (CIBC) page for more research, discussion boards and to like, and share. Source: https://finance.yahoo.com/news/plunging-8-7-4-weeks-150003950.html