龙虎榜丨机构今日买入这14股，卖出西藏城投7619万元

Core Insights - On November 21, a total of 28 stocks were involved with institutional investors, with 14 showing net buying and 14 showing net selling [1] Group 1: Institutional Net Buying - The top three stocks with the highest net buying by institutions were Tianhua Xinneng, Saiwei Electronics, and Yidian Tianxia, with net buying amounts of 288 million, 190 million, and 86 million respectively [1][2] - Tianhua Xinneng experienced a price drop of 19.71% on the same day [2] - Saiwei Electronics saw a price increase of 11.82% [2] - Yidian Tianxia had a significant price increase of 19.99% [2] Group 2: Institutional Net Selling - The top three stocks with the highest net selling by institutions were Xizang City Investment, Vision China, and Longzhou Co., with net selling amounts of 76 million, 66 million, and 60 million respectively [1][3] - Xizang City Investment experienced a price decline of 10.02% [3] - Vision China had a price increase of 9.98% despite the net selling [3] - Longzhou Co. saw a price drop of 9.92% [3]