Economic bubble
Temporary spike in asset prices
An economic bubble (also called a speculative bubble, asset bubble, or simply financial bubble) is a period when current asset prices greatly exceed their intrinsic valuation, being the valuation that the underlying long-term fundamentals justify. Bubbles can be caused by overly optimistic projections about the scale and sustainability of growth (e.g. dot-com bubble), and/or by the belief that intrinsic valuation is no longer relevant when making an investment (e.g.
From Wikipedia, under CC BY-SA. More on occurri.