The markets will do what they want in response to headlines in the immediate term. You should have a good idea of the macro and then focus on your "A" stocks to trade as they move up and down. Then have a "B" list of less profitable, but still money making ones.
Then have your investment list or "Main" list, which you hold on for a very long time, unless bad, basic changes occur relating that sector/company.
Just a condensed part of my philosophy in the market. The stocks on your A and B list you should know inside out. You should know where they are valuable to others also, not just you since you like them. Thus you will get good entry and exit points. I add to them that I should know all fundamentals, almost like I worked for them. But, I add technical charts with several indicators and know them inside out too, so you can move when several are in agreement on a buy or sell.