Because there are two separate controllers in each USB 3.0 host, USB 3.0 devices transmit and receive at USB 3.0 data rates regardless of USB 2.0 or earlier devices connected to that host. Operating data rates for earlier devices are set in the legacy manner.
The Dow Jones Industrial average (DJIA) and NASDAQ Composite Index are indexes that track the movement of a number of different stocks. The DJIA is made of companies that are traded on the New York Stock Exchange while the NASDAQ index is composed of companies that are traded on the NASDAQ stock exchange.
Dow Jones - an indicator of stock market prices; based on the share values of 30 blue-chip stocks listed on the New York Stock Exchange; the Dow Jones Industrial Average is the most widely cited indicator of how the stock market is doing. Dow-Jones Industrial Average.