KLA results beat Wall Street estimates, but shares fall on high investor expectations

July 28 : KLA Corp on Tuesday beat fourth-quarter revenue estimates and forecast first-quarter revenue above Wall Street expectations, but its shares fell 9 per cent in extended trading as the results failed to meet investor expectations.The company's shares have risen more than 57 per cent so far this year, driven by higher demand from foundries and memory-chip makers expanding capacity to support the data-intensive requirements of generative AI applications.KLA provides process control and yield management systems, which are critical for identifying and correcting defects during the semiconductor manufacturing process. Its tools become more vital as chipmakers move to smaller and more complex production nodes.Here are some details: • KLA's results and forecast were better than expected,