sp.def

  r
  
  Obs: 781, weekly, (1.08.1990 - 12.20.2004)

	r: returns to US S&P500 

Data Source: http://au.finance.yahoo.com  




    Variable |       Obs        Mean    Std. Dev.       Min        Max
-------------+--------------------------------------------------------
         r   |       781    .1582282    2.147897  -11.70971   7.492266