芯片设备公司，挣翻了

Group 1 - The core viewpoint of the articles highlights the strong performance of semiconductor equipment companies in the U.S. stock market, driven by anticipated returns from investments in artificial intelligence (AI) infrastructure, which are expected to benefit manufacturing equipment suppliers following the semiconductor sector [1][2] Group 2 - ASML's stock price increased by 8.78% on January 2, closing at $1228.19, supported by its dominant position in EUV exposure equipment through partnerships with major semiconductor manufacturers like Samsung and SK Hynix [1] - Lam Research's stock also showed strong momentum, rising 8.11% on January 2 and closing up 5.24%, as it leads the global etching equipment market [1] - Applied Materials (AMAT) saw its stock rise by 4.62% on January 2 and an additional 5.75% on the same day, with its products covering deposition and etching equipment [1] - KLA's stock performance was robust as well, with increases of 4.89% and 6.12% on consecutive trading days [1] Group 3 - Bernstein raised ASML's target stock price from $935 to $1528 and upgraded its investment rating from "neutral" to "outperform," citing demand for equipment from semiconductor companies expanding their factories [2] - Morgan Stanley predicts that the supply shortage will persist this year due to surging demand for AI chips, rating AMAT as a top priority stock [2] - Bank of America forecasts that global semiconductor sales will exceed $1 trillion this year [2]