Material Adverse Change or Effect

Material Adverse Change or Effect

Many mergers and acquisitions contracts include a material adverse change clause that allows a company to renegotiate or walk away from a deal if the other company or its subsidiaries announces a significant event that may negatively affect its stock price or operations. See also materiality.

Material Adverse Change or Effect

A clause in some merger and acquisition contracts allowing the acquiring to cancel a deal before it is finalized if material information is revealed that negatively impacts the target company's stock price. See also: Due diligence.