通信设备板块8月4日涨0.03%，长盈通领涨，主力资金净流出10.8亿元

Group 1 - The communication equipment sector experienced a slight increase of 0.03% on August 4, with Changyingtong leading the gains [1] - The Shanghai Composite Index closed at 3583.31, up 0.66%, while the Shenzhen Component Index closed at 11041.56, up 0.46% [1] - Notable gainers in the communication equipment sector included Changkongtong with a closing price of 46.58, up 6.66%, and Dongtu Technology at 22.67, up 6.63% [1] Group 2 - The communication equipment sector saw a net outflow of 1.08 billion yuan from institutional investors, while retail investors contributed a net inflow of 609 million yuan [3][4] - Major stocks with significant net inflows from retail investors included Taichengguang with 181 million yuan and Jiaxun Feiwan with 4997.54 million yuan [4] - Conversely, Dongtu Technology experienced a net outflow of 6914.95 million yuan from speculative funds [4] Group 3 - The 500 Quality Growth ETF, tracking the CSI 500 Quality Growth Index, reported a decrease of 1.93% over the past five days, with a current PE ratio of 16.52 times [6] - The latest share count for the ETF stands at 440 million, reflecting a reduction of 5 million shares, with a net inflow of 236,000 yuan from institutional funds [6]