Group 1 - Three stocks received buy ratings from institutions today, with Honghe Technology being the first to attract institutional attention [1] - The average increase for stocks with buy ratings was 4.07%, outperforming the Shanghai Composite Index [1] - The top gainers included Feirongda, Honghe Technology, and Nova Star Cloud, with respective increases of 6.26%, 4.25%, and 1.69% [1] Group 2 - Institutional buy ratings were recorded for three stocks: Feirongda, Honghe Technology, and Nova Star Cloud [2] - Feirongda received a buy rating from Guohai Securities, while Honghe Technology was rated as "increase" by Guosheng Securities [2] - The latest closing prices for the rated stocks were 36.00 CNY for Feirongda, 33.12 CNY for Honghe Technology, and 165.88 CNY for Nova Star Cloud [2]