The market experienced a V-shaped rebound in the afternoon, with the ChiNext Index rising nearly 4% and the STAR Market Index increasing over 7%. Both Cambricon and SMIC reached historical highs. The total trading volume in the Shanghai and Shenzhen markets was 2.97 trillion yuan, a decrease of 194.8 billion yuan compared to the previous trading day. Market hotspots were concentrated in computing power and chips, with more stocks rising than falling, and over 2800 stocks in total saw gains. From a sector perspective, computing power hardware stocks like CPO remained strong, with Tianfu Communication and several others continuing to set historical highs. Chip stocks collectively surged, with over ten stocks, including Zhangjiang Hi-Tech, hitting the daily limit. On the downside, pharmaceutical stocks underwent adjustments, with several, including Nanxin Pharmaceutical, falling over 5%. In terms of sectors, CPO, semiconductors, copper foil, and PCB saw the largest gains, while agriculture, weight loss drugs, clothing, and liquor experienced the largest declines. By the close, the Shanghai Composite Index rose 1.14%, the Shenzhen Component Index increased 2.25%, and the ChiNext Index climbed 3.82%.Looking back, whether it was the Internet Plus in 2015, new energy in 2020, or the current semiconductor boom, each has its reasonable bullish arguments. If you have experienced these phases, please reflect on what is different today compared to the past. When consensus is reached, it is likely that we have already entered a major upward trend, and I believe that most retail investors do not possess the ability to layout accurately in advance. The market often deviates from its original price until it crashes amidst cheers of ‘Hooray’, think of ‘Kunkun’, ‘Lanlan’, various Moutai, and various Wang, the US stock market is no different; when the Nasdaq turns into ‘Nana’, it is usually too late to enter. It really comes down to the relationship between price and value.Investors often question why clearly undervalued and promising industries, or high-performing sunrise industries, do not rise. I believe that if the fundamentals are solid, the selected undervalued and high-potential sunrise industries will eventually rise. However, as for when they will rise, if you want to judge based on buying in before the start, you either need sufficient patience and confidence or a bit of luck; it mainly depends on what opportunity allows them to stand in the spotlight and be seen, as everything requires traffic.Why have AI, semiconductors, GPUs, and domestic alternatives become the main themes of this round of market since April 8? Why them, and why now? I believe reviewing these aspects can enhance investors’ understanding.From the market perspective, the current semiconductor industry chain is a game for the brave. Honestly, I envy those skilled individuals navigating the peaks.What I believe is crucial at this moment is to remember not to use fundamentals, technicals, or various other metrics to judge the sustainability of the market trend, as they hold no reference significance. Especially, do not use these to justify buying in after a downward trend; novices die from chasing highs, while veterans die from bottom fishing.Watchlist: Cash Flow ETF, 30-Year Treasury ETF, Power ETF, Haitian XX, Hisense XX, Yangtze XX, XX Mobile.Disclaimer: This article is merely a personal diary and does not constitute investment advice.Investment carries risks; proceed with caution.