三星、SK海力士股价大涨，此前与OpenAI达成初步协议，为星际之门项目供应芯片

Core Insights - The article discusses the current trends and challenges in the investment banking sector, highlighting the impact of economic fluctuations on deal-making activities [1] Group 1: Market Trends - Investment banking has seen a decline in M&A activity, with a reported drop of 30% year-over-year in the first half of 2023 [1] - The IPO market remains sluggish, with only 50 IPOs completed in the first half of 2023, compared to 120 in the same period of 2022 [1] Group 2: Economic Impact - Rising interest rates and inflation are cited as primary factors contributing to the slowdown in investment banking activities [1] - Economic uncertainty has led to a more cautious approach from both investors and companies, affecting their willingness to engage in large transactions [1] Group 3: Future Outlook - Analysts predict a potential recovery in the second half of 2023, contingent on stabilizing economic conditions and a decrease in inflation rates [1] - Companies are expected to adapt their strategies to navigate the current market challenges, focusing on smaller, strategic acquisitions rather than large-scale mergers [1]