NASDAQ after hours trading times

After Hours Trading is buying or selling stocks on exchanges outside of their regular trading hours. Investors realize that After-hours trading activity provides a leading indicator for next-trading day activity and also an insight into Global Markets trading activity, as those markets start up within hours of the close of the U.S. after-hours market. Extended hours trading times

The after-hours trading times for NASDAQ is:  4:00 - 8:00 PM EST

You can check the After Hours Trading Prices for Stocks on NASDAQ 100 here:  NASDAQ After hours quotes

NASDAQ After Hours Trading

Investors find that After-hours trading activity provides a leading indicator for next-trading day activity as well as insight into Global Markets trading activity, as those markets start up within hours of the close of the U.S. after-hours market.
Trading after regular trading hours on the major exchanges. The increasing popularity of electronic communication networks (ECNs) has greatly facilitated after-hours trading, which is no longer restricted only to large institutional investors but is now available to any investor. Also known as the "after-hours market."
The development of AHT offers investors the possibility of great gains, but you should also be aware of some of its inherent risks and dangers:

• Less liquidity 

• Wide spreads 

• Small fish – compete against large institutional investors 

• Volatility 

You can get your NASDAQ after Hours Stock Trading quotes from here:
NASDAQ After Hours Trading

You can get your NASDAQ After Hours Most Active Trades information here
After Hours Most Active

Find your NASDAQ 100 After Hours Indicators here:
NASDAQ 100 After Hours Indicator

And here is the NASDAQ After Hours 5-Day Volume:
After Hours 5-Day Volume