关键支撑区域位于2022年低点到2月历史高点的23.6%斐波那契回撤位（5520点），至3月13日、31日双底（5505-5489点）。

　　若5489点失守，下一个潜在关注点位是8月14日高点（5463点）。

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责任编辑：王许宁

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