the government charges he whispered that secret to ivan boesky in new york.nt and earned $6.5 million more at the client's expense. >> authorities are worried that further disclosures resulting from the affair may weaken public confidence in financial markets and weaken the markets themselves. >> it's a mad house. >> i guess the bull market's over. >> it's a blood bath down there. >> they're calling it the monday massacre. the worst drop in wall street history. >> i call it the nearest thing to a meltdown i ever want to see. >> by the closing bell, the dow jones industrial average was down more than 500 points. >> this is a crash people hadn't seen since the great depression. no one had seen the stock market fall that quickly, that fast. >> paper losses more than $500 billion. october 18, 1987, wall street's black monday. >> that crash was one of the first signs of how dangerous this new era could be. that what the market had given, the market could take away and take it away really, really quickly. >> only two emotions on wall street. one's fear, the other i