Scalpers will depend more on indicators than news. Scalping is just a waste of time in my opinion. The riskiest trading types are scalping and day trading. Most traders that fall in this categories are losing while swing traders and holders are very patient and make more money from trading. They are also not time consuming like scalping and day trading. If you are using fundamental analysis to trade just as you explained and not trading often, you are not really scalping in my opinion because you do not trade frequently.
I also include scalpers at certain moments, and listening to the news is one of the things that must be done to see the possibility of the market going in which direction, because it can still be tried to assess, Powel's speech is one indicator of how the economy is going forward and will make some people take positions, because it often happens when the news is positive it will make bitcoin or other assets get an increase.