Grains end higher on technical buying with the markets oversold. So was it just a dead cat bounce or what will it take to confirm a change in trend? Plus, how far can the market rally before it sees farmer selling? Is China really replenishing reserves? And how much of a cut will USDA or Conab confirm on South America's crops this week? Shawn Hackett, Hackett Financial Advisors, covers it all.

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