A market condition in which the prices of securities are falling or are expected to fall. Although figures can vary, a downturn of 15-20% or more in multiple indexes (Dow or S&P 500) is considered an entry into a bear market.
When you see a bear what do you do? Tuck in your arms and play dead! Fighting back can be extremely dangerous because it is quite difficult for an investor to make stellar gains during a bear market unless he or she is a short seller.