The profit of a FMCG company decreases recently. Please analyze possible reasons of the profit decrease.

某快速消费品公司最近遇到了利润下降的问题，请你分析一下可能的原因。

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The profit decrease in the second quarter came after two straight quarters of rising profit.

FORBES: Earnings Preview: Abbott Laboratories

The profit decrease in the third quarter came after two straight quarters of rising profit.

FORBES: Earnings Preview: Agilent Technologies

The decrease in profit in the third quarter broke a streak of three consecutive quarters of year-over-year profit increases.

FORBES: Earnings Preview: W.W. Grainger