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.
The 30 Dow Jones Stocks. The 30 components of the Dow Jones Industrial Average. The Dow Jones Industrial Average (DJINDICES:^DJI) is the second-oldest active market indicator, as well as the most widely covered. At any given time, only 30 stocks make up the index, and they comprise a diverse basket of companies from all sectors of the market.