<<it could be all my neighbors jumping on my wireless internet (though i doubt that)>>
As I understand cable modem, you a placed on a "network" with all of your neighbors and share the same cable. It is possible that you have some neighbors doing some really intensive stuff like streaming videos.
A real yawner today, although NDX just provided some brief excitement by turning green. But alas it is back into the red.
I had been congratulating my subscription model for catching the market upswing just at the right time. But then they used Thursdays big downward plunge to go short for Friday and yesterday too (meanwhile I had a long scalp kick in). They blew all of the gains and then some. They're back to long for today.