Wall of Worry
A phrase used to describe a bullish market trend occurring in the face of negative uncertainties.
Investopedia Commentary
When stock prices are rising regardless of market uncertainties, the stock market is said to be climbing a wall of worry. These worries may include political or economic risks. Once the perceived risks have been resolved or have past, average market share prices tend to decline.
See also: Bull Market, Country Risk, Political Risk, Systematic Risk