The Wall Street Journal: Federal regulators probe block trading at Morgan Stanley, Goldman, other big firms

Federal investigators are probing the business of block trading on Wall Street, examining whether bankers may have improperly tipped hedge-fund clients in advance of large share sales, according to people familiar with the situation.

Federal investigators are probing the business of block trading on Wall Street, examining whether bankers may have improperly tipped hedge-fund clients in advance of large share sales, according to people familiar with the situation.