Internet allows more people to have their instinctive reaction at the same time. This creates fluctuations which are out of proportions. Prices are now strongly influenced by instincts. This way of managing money is of no economical interest. It is just gambling.
Stock options becomes overpriced or going much lower than their real value.
It's like selling wind. Unfortunately, all this has economical consequences. And I don't dare to think about the consequences. There have been cases of swindling . A buyer order through e-commerce.