Puberty is starting earlier than usual, with the average age of onset of first menstruation in Western countries being 12.2 years. Better nutrition and chemicals in food are suggested as causes, and precocious puberty can have social and medical challenges. Girls who go through puberty later are often active in sports or have mothers with […]
The previous close refers to the price of a security before the last market close and is used to compare prices from one day to the next. It can be manipulated by investors to appear higher. It is a useful metric for discussing events within one day’s market and preparing for the next day. In […]
