Business: Exchanges

March ended with a madness of trading on all the country's stock exchanges. Of course on the New York Stock Exchange ecstacy was shrillest. There more than 3,000,000 shares had changed ownership on each of the last 16 full (5-hour) trading days of the month. On each of four days last week brokers handled more than 4,000,000 shares. Last Saturday two hours business saw 2,430,920 shares exchanged, a record. During the entire month, 84,987,834 shares were recorded on the tickers as bought and sold, also a record. But records no longer seem to have meaning. Of the present stock market situation...