With many investors drifting away early for the Thanksgiving holiday and with the fixed income markets scheduled to close early on Wednesday, the clear potential is for some erratic price action in illiquid markets,
They view it that that is more likely to keep the overall economy performing in a relatively smooth way so that the seasonality - if there is any - in credit demands doesn't cause large swings in interest rates, which in turn cause activity to turn on and turn off in an erratic way.