Technically it would be the clock, but as for trading, it is briefing. Check out the economic calender, earnings reports and analysts upgrades downgrades.
THE VERY FIRST THING I look in the morning is the alarm clock to see what time it is, I don't wake up at fixed time so it is important to see what is going on. Grab something to eat, turn on CNBC, turn on the computer and read yahoo then look at some forex charts.