20cm速递|科技行情爆发，科创板100ETF（588120）昨日净流入超2400万元，关注20cm双创板块布局机会

Group 1 - The core viewpoint of the article highlights the upward trend in the Shanghai and Shenzhen stock markets, particularly driven by the technology sector and communication stocks [1] - Galaxy Securities anticipates that the AI computing power industry chain will continue to recover in the second half of the year, presenting new investment opportunities [1] - Specific sub-sectors showing potential include operators, optical communication, satellite internet, and quantum technology [1] Group 2 - The dual innovation sector is expected to have high elasticity in a bull market scenario, with a price fluctuation limit of 20%, making it a leading indicator in A-share rebound trends [1] - Investors without stock accounts are advised to consider the Guotai CSI Science and Technology Innovation 100 ETF linked C (019867) and linked A (019866) [1]