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Plunge! Rebound! Crash! Rally! Plunge again! Why is the U.S. stock market so volatile?
Plunge! Rebound! Crash! Rally! Plunge again! Here are seven reasons why the U.S. stock market is so volatile.
Library of Congress
Vasco da Gama arrives in India, Christopher Columbus dies, Norman Rockwell makes his Saturday Evening Post cover debut, HIV is discovered, and "Cheers" airs its series finale, all on this day.