智通财经网·2025-09-30 13:19Group 1 - Semiconductor stocks have become a popular choice for investors betting on the AI sector, with a notable shift towards semiconductor equipment suppliers like Teradyne (TER.US) [1] - Teradyne's stock has nearly doubled since its low in April, rising over 40% since the end of July, while major semiconductor equipment manufacturers Lam Research (LRCX.US) and KLA (KLAC.US) have seen stock increases of over 68% this year [1][3] - Lam Research recently achieved a record of 14 consecutive trading days of gains, with a 36% increase during that period, while Applied Materials (AMAT.US) also recorded an 8-day winning streak with a 20% rise [1] Group 2 - Companies like Microsoft (MSFT.US) and Alphabet (GOOGL.US) are increasing investments in AI, making equipment suppliers attractive to investors despite their valuations becoming less appealing [3] - Micron Technology (MU.US) has seen its stock rise over 90% this year due to increased demand for high-bandwidth memory critical for AI computing, with Lam Research and KLA as suppliers [3] Group 3 - Analysts have raised Teradyne's target price from $133 to $200, indicating a potential upside of 49%, citing strong demand for testing equipment in the memory market [4] - Despite the positive outlook for semiconductor equipment, concerns arise as valuations become high, with potential risks if investment slows down [4] - Lam Research and KLA's expected price-to-earnings ratios have increased from around 20 times at the beginning of the year to nearly 30 times, while Teradyne's expected P/E ratio is at 32 times, higher than Nvidia [4] Group 4 - The current surge in semiconductor stocks may not be sustainable, as the explosive growth in AI investment appears to be the only factor supporting the rally, which may not last [5]