The main reason why Toyota Motor’s stock went up is because the oil price dropped drastically. The oil price has been dropping for last few months because they were over producing them. So people used cars to travel since it didn’t cost as much money as it did. People who didn’t have car started to buy car thanks to the oil price crashing. So the main cause of Toyota Motor’s stock rising is oil price crash.
The main reason why Volkswagen’s stock dropped was because they were lying about their cars. They have deceived their costumers by faking the amount of gas that was released when using the car.