'So, now if Corn is now in a "down trend" my next thought might be "what has to happen to put it back in an up trend" ??'
I would think disrespect for the 5D line would suggest resumption of trend up. Trades makes a valid point here; when the usual does not continue, possible change at hand; the trend may no longer be your friend. To note, in a very strong trend the usual support points are never challanged on a regular basis. The bull case, and reason for rebound, is test of Nov high; but I think done deal. CO