rampant speculation

Translations
необузданные спекуляции
Rampant speculation in the stock market can lead to financial instability.
Необузданные спекуляции на фондовом рынке могут привести к финансовой нестабильности.
Definitions
Rampant speculation refers to widespread and unchecked conjecture or assumptions about a situation, often without substantial evidence or facts to support them. This can occur in various contexts, such as financial markets, social issues, or public events, where individuals or groups make bold predictions or theories that may not be grounded in reality.
Words
rampant

adjective
широко распространённый
speculation

noun
спекуляции