The phrase "bear power" refers to having strength, courage, or resilience similar to that of a bear. It implies being strong and capable of dealing with challenges. Full definition
When bear power is negative but rising, bears are showing a bit of strength but are beginning to slip once again. (investopedia.com)
The time for boring power points and cheesy videos is passed. (elearningindustry.com)
Furthermore, as in the case discussed above, wherein the trader holds a long position during positive bear power, you are betting on the greater fool theory. (investopedia.com)