上证指数-行情展望220421
上证指数处于2800-3500宽幅震荡。W突破形态回踩支撑位3050谨慎看多。
目前依旧处于长期趋势线上，如跌破3000点则看空至2800点。
目前依旧处于长期趋势线上，如跌破3000点则看空至2800点。
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