Más sobre el tema del volumen y las subidas de hoy en el dow y el sp500:
At the same time, some participants remain concerned that trading volume has been light, making it difficult to gauge investors' level of conviction that the gains can continue. Exchange-only volume at the New York Stock Exchange on Tuesday was slightly below the month-to-date average of 1.7 billion shares.
naked capitalism: Dow Up 890 After Ten-Times Increase in Commercial Paper Sales
Todo el artículo es interesante.