Seoul stocks opened lower Monday weighed down by declines in US tech shares amid concerns over massive investments in artificial intelligence . The benchmark Korea Composite Stock Price Index was down 51 points, or 0.89 percent, to 5,679.74 as of 9:15 a.m. Major stock indexes on Wall Street closed lower Friday (US time), following disappointing quarterly earnings from Intel and Amazon, which amplified growing concerns over the sustainability of AI spending. The S&P500 fell 1.82 percent, and the