投资板块体系

flowchart TD A["中国多层次资本市场"] --> B["交易所市场<br>(场内市场)"] A --> C["新三板<br>(场外市场)"] B --> D[上海证券交易所] B --> E[深圳证券交易所] B --> F[北京证券交易所] subgraph D_sub[板块] direction LR D1[上证主板<br>60开头] D2[科创板<br>688开头] end subgraph E_sub[板块] direction LR E1[深证主板<br>00开头] E2[创业板<br>30开头] end subgraph F_sub[板块] direction LR F1[北交所上市公司<br>8开头] end subgraph C_sub[分层] direction LR C1[基础层] C2[创新层] --> F_sub end D --> D_sub E --> E_sub C --> C_sub