Business 10 Most Profitable Stocks That Lost Last Week – Stock Performance Analysis by Marcus Liu - Business Editor December 29, 2025 by Marcus Liu - Business Editor December 29, 2025 Stocks with the biggest Losses Last Week KABARBURSA.COM – The Composite Stock Price Index (JCI) opened higher at 8,556.87,up 18.96 points (0.22 percent), on Monday, December 29, 2025.The JCI previously … 0 FacebookTwitterPinterestEmail