diff --git a/src/main/java/StockFileHandler.java b/src/main/java/StockFileHandler.java
new file mode 100644
index 0000000..0b1f720
--- /dev/null
+++ b/src/main/java/StockFileHandler.java
@@ -0,0 +1,50 @@
+import java.nio.file.*;
+import java.io.IOException;
+import java.math.BigDecimal;
+import java.util.ArrayList;
+import java.util.List;
+
+public class StockFileHandler {
+
+    // lesing
+    public List<Stock> loadStocksFromFile(String filename) throws IOException {
+        List<Stock> stocks = new ArrayList<>();
+        List<String> lines = Files.readAllLines(Paths.get(filename));
+        
+        for (String line : lines) {
+            line = line.trim();
+            if (line.isEmpty() || line.startsWith("#")) {
+                continue;
+            }
+            
+            String[] parts = line.split(",");
+            if (parts.length == 3) {
+                String symbol = parts[0];
+                String name = parts[1];
+                BigDecimal price = new BigDecimal(parts[2]);
+                
+                stocks.add(new Stock(symbol, name, price));
+            }
+        }
+        return stocks; // returnerer listen 
+    }
+
+    // lagring
+    public void saveStocksToFile(String filename, List<Stock> stocks) throws IOException {
+        List<String> lines = new ArrayList<>();
+        
+        // header 
+        lines.add("# Ticker,Name,Price");
+
+        for (Stock stock : stocks) {
+            // formaterer hver aksje som "SYMBOL,NAME,PRICE"
+            String line = String.format("%s,%s,%s", 
+                stock.getSymbol(), 
+                stock.getCompany(), 
+                stock.getSalesPrice().toString());
+            lines.add(line);
+        }
+
+        Files.write(Paths.get(filename), lines);
+    }
+}
\ No newline at end of file
diff --git a/src/main/java/aksjer.csv b/src/main/java/aksjer.csv
new file mode 100644
index 0000000..8dfbf02
--- /dev/null
+++ b/src/main/java/aksjer.csv
@@ -0,0 +1,5 @@
+# Top 500 US Stocks by Market Cap
+# Ticker,Name,Price
+NVDA,Nvidia,191.27
+AAPL,Apple Inc.,276.43
+MSFT,Microsoft,404.68
\ No newline at end of file