Stock Toolkit helps new investors make quick, confident decisions. Track live prices, log buys and sells, and see real-time portfolio P/L. Built-in calculators cover break-even, target price, total return, yield on cost, dividends, and DCA average cost. Run simple what-if simulations to plan entries. Get reminders for XD dates and dividend payouts. Clean UI, multi-language (TH/EN/ZH) and currency-aware labels so numbers always match your settings.