Market panic is sometime triggered by speculation and FUD or Fear Uncertainty and Doubt. Definitely it can affect the the trading price. Some are misinformed or having no time to verify such reports and just follow what others are doing like herd mentality.
But for an informed trader they might see an opportunity in this situation.
Certainly, as you have known already how does a market goes through, you wouldn't take the negative situation in market but you would take it as an opportunity itself. Being uncertain always end up with regrets hence a trader must really understand how does the market flow so that in every decision he is going to make, he wouldn't doubt of it anymore which are more likely to end up positively.
Those negative situations in the market can be a opportunity for those traders know how the market works. If you are a trader that knows how the market works then you probably take advantage of that negative situation to spread it and help the market price to go down a little bit and then you will go in and buys a lot and just wait for the price to pump again. That is how the game works and if you don't get used to that you will be a loser with full of regrets.
Yes market will always get us opportunities to make use of. But we need to be clear how we are going to exactly availing those opportunities. One simple click here everyone must need to follow is not going "all" at one time.
When market shows negative situations we should invest only 10% and keep the rest for another situation. Market may bounce back from that situation or go for another negative situation, we need to invest there again so that we will get better average buying prices. This will ensure you will not get struck with big losses at any time, but profits will be same or even better in many scenarios.