It would be the term "bear market" that refers to a period of time when stocks are generally losing value, since "bull market" is used to describe a period when the stock market is doing well.
The archeological site of Monteverde II in Chile dates back 14,800 years, according to scientists (there´s a broad consensus). The discovery of many objects belonging to the Pleistocene was in 1977 in an area called Región de Los Lagos.