Stock Matrix is a used car stock analysis could-based application, developed by KastelSolutions using latest Microsoft .NET technologies and SQL Server database. It features wide variety of financial analysis reports, such as sales history analysis, performance analysis, gross profit analysis, ROI (Return of Investment) analysis and calculator, Break-Even Point analysis and What-If analysis. Also, data can be properly visualized and exported to common formats. Streamlines user interface, fast and optimized algorithms enable users to get fast results out of their sales and stock data. Application relies heavily on DevExpress data (XtraGrid & XtraEditors) and visualisation (XtraCharts) components. Development platform is .NET 4.0 with LINQ to SQL, featuring ASP.NET and Microsoft SQL Server 2008 R2.