The ​S&P 500 ​and the Nasdaq ​opened lower on Wednesday pressured by weakness in ‌chip stocks, ⁠as ⁠investors remained cautious ​ahead of the first batch ​of Big Tech earnings that could decide ​whether Wall ⁠Street's AI-driven ‌rally has ​more room ​to run.The ⁠Dow Jones Industrial Average rose ​62.5 points, or 0.12%, ​at the open to 52287.14. The S&P 500 fell 11.7 points, ‌or 0.16%, at the open ​to ​7497.47, while ⁠the Nasdaq Composite dropped 143.5 points, or 0.56%, to ​25693.719 at the opening bell.