feat(valuation): add semiconductor valuation ranking

Cai

2026-08-20 7908145abe82460e44855da8ec56b2d11df86f7a

1
{"rc":0,"data":{"code":"001270","name":"铖昌科技","klines":["2026-07-31,92.00,92.56,94.00,91.50,123456,1140000000,0,0,0,0"]}}