机器人ETF易方达（159530）昨日获超3亿元资金净流入，今日早盘再获1.7亿份净申购

Group 1 - The core focus of the article is on the performance of the Internet of Things (IoT) ETF managed by E Fund, which tracks the China Securities IoT Theme Index, highlighting its significance in the smart terminal sector for achieving connectivity among devices [3][4] - As of the midday close, the index experienced a slight decline of 0.4%, with a rolling price-to-sales ratio of 31.1 times and a valuation percentile of 37.2% since its inception in 2015 [3] - The index comprises stocks from companies involved in information collection, transmission, and IoT application fields, indicating a diverse representation of the IoT industry [3]