Wall Street: Warning for Speculators

When the going gets rough on the overcrowded floor of the New York Stock Exchange, brokers with any ailments—sprained shoulders, sunburns or broken arms—pin red crosses on sleeve or back to warn off scurrying colleagues. Last week even brokers thus armed could hardly avoid a jostling. In furious trading inspired by the new bull market, volume on the exchange in one day leaped to 7,080,000 shares, highest mark in 5½ years. The tape ran late so often that the warning clock that signals the tape's tardiness was lit for hours at a stretch. As active stocks climbed to new...