diff --git a/append.py b/append.py
index e0495f5..2d68d97 100755
--- a/append.py
+++ b/append.py
@@ -1,6 +1,7 @@
 # https://www.udemy.com/course/ai-finance
 import pandas as pd
 from glob import glob
+import os
 
 files = glob('data/*.csv')
 full_df = None
@@ -8,12 +9,15 @@
   print(f)
   df = pd.read_csv(f)
 
-  symbol = f.split('/')[1].split('.')[0]
+  symbol = os.path.splitext(os.path.basename(f))[0]
+  # symbol = f.split('/')[1].split('.')[0]
   df['Name'] = symbol
 
   if full_df is None:
     full_df = df
   else:
-    full_df = full_df.append(df, ignore_index=True)
+      # New pandas version, use concat
+      full_df = pd.concat([full_df, df], ignore_index=True)
+      # full_df = full_df.append(df, ignore_index=True)
 
 full_df.to_csv('sp500full.csv', index=False)
\ No newline at end of file
diff --git a/append_small.py b/append_small.py
index 54d5542..fa7ba20 100755
--- a/append_small.py
+++ b/append_small.py
@@ -60,7 +60,7 @@
     if full_df is None:
       full_df = df
     else:
-      full_df = full_df.append(df, ignore_index=True)
-
-full_df.to_csv('sp500sub.csv', index=False)
+      full_df = pd.concat([full_df, df], ignore_index=True)  # Utilisation de pd.concat
+      # full_df = full_df.append(df, ignore_index=True)
 
+full_df.to_csv('sp500sub.csv', index=False)
\ No newline at end of file
diff --git a/get_data.py b/get_data.py
index a6512f0..1746e44 100755
--- a/get_data.py
+++ b/get_data.py
@@ -52,7 +52,11 @@
 
 for symbol in symbols:
   if not os.path.exists(f"data/{symbol}.csv"):
-    data = yf.download(symbol, start="2010-01-01", end="2018-12-31")
+    data = yf.download(symbol, start="2000-01-01", end="2024-06-28", interval="1d")
+    # hour
+    # data = yf.download(symbol, start="2022-07-01", end="2024-06-29", interval="1h")
+    # Last version:
+    # data = yf.download(symbol, start="2010-01-01", end="2018-12-31")
     if data.size > 0:
       data.to_csv(f"data/{symbol}.csv")
     else:
@@ -62,7 +66,4 @@
 for symbol in symbols:
   s = open(f"data/{symbol}.csv").readlines()
   if len(s) < 10:
-    os.system(f"rm data/{symbol}.csv")
-
-
-
+    os.system(f"rm data/{symbol}.csv")
\ No newline at end of file