Take a look at this: S&P close on Friday Aug 3rd was 1433, 17 points below the 200 day sma. A technical trader would consider this bearish, a breakdown, a possible change of trend.
http://finance.yahoo.com/q?s=%5EGSPC On the historical quotes page (used by many free downloaders) the close is at 1450, smack dab on the 200 day sma. A technical trader might consider this as an entry point looking for a bounce off the 200 day sma. http://finance.yahoo.com/q/hp?s=%5EGSPC Makes 20-30 bucks a month for "clean data" worth every dollar.
