# Professor Richard Sylla on past government attempts to stabilize the US stock market

1 Faculty News July 30, 2015 ![CNNMoney logo](/sites/default/files/styles/246w/public/assets/images/con_030743.jpg?itok=5lrpsukl)>

Excerpt from [CNNMoney](http://money.cnn.com/2015/07/30/investing/china-stock-market-crash/) -- "The circuit breakers are in place on some assets in the U.S. and appear to be in place in China now as well. It gives a short cool off period for traders. But it's 'of limited effectiveness,' argues [Sylla](http://www.stern.nyu.edu/faculty/bio/richard-sylla), 'because what's going to happen overnight that would change people's attitudes?'"

[Read more](http://money.cnn.com/2015/07/30/investing/china-stock-market-crash/)