On February 2nd, several cross-border ETFs strengthened. By the closing, the S&P Consumer ETF (159529) increased by 4.03%, while the Nikkei ETF (159866), the Nasdaq Technology ETF (159509), and the Nasdaq ETF (513300) all rose by over 2%. This year, cross-border ETFs have become popular among investors, from the Nikkei 225 surging to the Nasdaq and S&P broad-based U.S. stock indexes following suit, leading to a rapid round of high growth and high premium "passing the buck". It is reported that several cross-border ETF products, including the U.S. 50 ETF, Huaxia Nomura Nikkei 225 ETF, and Fuguo Nasdaq 100 ETF, have recently issued warnings about premium risks and temporary suspension notices. On January 15th, the Nikkei ETF (513520) even hit the daily limit, with a premium rate approaching 20%. Following this, Huaxia Fund issued warnings about market trading price premium risks on January 6th, 12th, and 13th consecutively. From January 22nd to January 24th, the U.S. 50 ETF rose by the daily limit for three consecutive days, reaching a cumulative gain of 48.74% by January 26th, with a high premium rate of 42.46%. Investor sentiment was high, and the market atmosphere was almost frenzied. In order to protect investors' interests, Yifangda Fund had issued warnings about the ETF's premium risks for five consecutive trading days. Additionally, to alleviate the high premium trading in the secondary market, Yifangda Fund also raised the daily purchase limit for the U.S. 50 ETF to 50 million shares. On January 29th, Yifangda MSCI U.S. 50 ETF (513850) announced a temporary suspension for the sixth time within the month. However, after the resumption of trading, the U.S. 50 ETF hit the daily limit for two consecutive days on January 29th and 30th, and by the closing on January 31st, it approached the daily limit again. Many institutions interviewed indicated that the high premium trading of cross-border ETFs is largely influenced by short-term irrational factors, posing significant risks to investors who chase high. Industry experts had previously warned that investors might suffer significant losses if they blindly invest. Interestingly, the discussion about high premium cross-border ETFs had sparked debate earlier. Fang Yan, a fund manager from West Fund, joked on January 26th on social media that the U.S. 50 ETF with a 41.85% premium is suitable to recommend to ex-boyfriends, quipping that it is a case of "tit for tat". Some netizens responded, saying that they had recommended the ETF with a 20% premium, and now after earning 18%, their exes were seeking reconciliation, stating that they were the best to them.