ETF开盘：创50ETF富国涨20.00% 创业板50ETF国泰跌2.49%

Group 1 - The ETF market opened with mixed performance on August 15, with notable gains and losses among various ETFs [1] - The 50ETF from China Asset Management (159371) saw a significant increase of 20.00% [1] - The Cloud Computing ETF from GF Fund (159527) rose by 2.17%, while the Healthcare ETF from Harvest Fund (159557) increased by 1.02% [1] Group 2 - Conversely, the ChiNext 50 ETF from Guotai Junan (159375) experienced a decline of 2.49% [1] - The Sci-Tech 50 ETF from China Asset Management (588940) fell by 2.07% [1] - The Zhongchuang 400 ETF (159918) decreased by 1.98% [1]