The coronavirus affects the forex market or currency market since the Aud is affected in principle, the importance of trade between these two economies is undoubted. Therefore, the Australian dollar depreciates, the Swiss franc gains strength as a refuge currency, as there are risks that the world economy will slow down due to the coronavirus.
Car industry starting to be hit, suspension components made in that area all production stopped, till they sort out a new supplier, can't remember which company now. People will worry and not travel and start avoiding crowded places, all going to have knock on effects.
Not sure, big area they can't buy items to resell and 60mil people that possible can't take deliverys or go to work to earn money to afford items, no idea if there available in China mind.
The SPX 3310 Call (expiring today) closed at 50 cents Monday. It hit $25 today just before the close.