This surname is a patronymic form of a very ancient personal name, and means son of Richard. The derivation of Richard is from the Olde English ric, power and heard, meaning brave, hardy.It is originally Anglo-Saxon in origin, but was made very popular in England by the Normans after the Conquest of 1066.he first recorded spelling of the family name is shown to be that of Murdac Richardesson (Merchant), which was dated 1359, recorded in Glasgow, Scotland, during the reign of King David 11 of Scotland, 1324 - 1371.
Index Volume. Index Volume represents the total volume of all stocks included in a particular index. Therefore, the volume of the S&P 500 index is the total volume of all 500 stocks that are included in the S&P 500 index basket. Thus, index volume represents the trading activity in a particular market sector or particular group of stocks that are covered by this index.
After Hours Share Volume Share Volume is the number of shares of the stock traded on the listing exchange during current trading hours.