diff --git a/backend/app/seed.py b/backend/app/seed.py
index 6672992..6bd0e4a 100644
--- a/backend/app/seed.py
+++ b/backend/app/seed.py
@@ -17,7 +17,7 @@ DEFAULT_CATEGORIES = [
     ("Food & Delivery", "utensils", "uber eats,rappi,mcdonalds,subway,pizza,restaurant,soda,cafe,coyote ugly,el rodeo,steak house"),
     ("Utilities", "zap", "c.n.f.l,cnfl,ice,aya,claro cr telecomunicaciones"),
     ("Transportation", "car", "gasolina,gasolinera,uber rides,didi,parqueo,parking,peaje,estacion de servicio,estac.de serv"),
-    ("Shopping", "shopping-bag", "amazon,ebay,ticotek,construplaza,epa,novex,novedades chayfer,total imports,tiendalaliga,gnc live well"),
+    ("Shopping", "shopping-bag", "amazon,ebay,construplaza,epa,novex,novedades chayfer,total imports,tiendalaliga,gnc live well"),
     ("Entertainment", "film", "netflix,disney,cine,steam,playstation,blizzard,diablo"),
     ("Health", "heart-pulse", "farmacia,hospital,clinica,laboratorio,optica,medicina regenerativa,neumi,doer fitness,kettlebell,lacrosse"),
     ("Education", "graduation-cap", "universidad,udemy,coursera,libro"),
@@ -27,6 +27,7 @@ DEFAULT_CATEGORIES = [
     ("Telecom", "phone", "liberty,tigo,kolbi"),
     ("Parking & Fees", "circle-parking", "centro comercial curridabat,debito compass,cobro administr,compass"),
     ("Auto", "car-front", "auto lavado,lavado"),
+    ("Electronics", "cpu", "extremetechcr,extreme tech,ticotek,ishop,gollo,radioshack"),
     ("Lab & Medical", "microscope", "laboratorio echandi"),
     ("Other", "tag", ""),
 ]
diff --git a/frontend/src/components/transactions/transaction-columns.tsx b/frontend/src/components/transactions/transaction-columns.tsx
index 2ea5bfa..eb31cc8 100644
--- a/frontend/src/components/transactions/transaction-columns.tsx
+++ b/frontend/src/components/transactions/transaction-columns.tsx
@@ -43,15 +43,15 @@ export function getTransactionColumns({
             <div
               className={cn(
                 'w-6 h-6 rounded flex items-center justify-center shrink-0',
-                tx.transaction_type === 'DEVOLUCION'
-                  ? 'bg-primary/10 text-primary'
-                  : 'bg-destructive/10 text-destructive',
+                tx.transaction_type === 'COMPRA'
+                  ? 'bg-destructive/10 text-destructive'
+                  : 'bg-primary/10 text-primary',
               )}
             >
-              {tx.transaction_type === 'DEVOLUCION' ? (
-                <TrendingUp className="w-3 h-3" />
-              ) : (
+              {tx.transaction_type === 'COMPRA' ? (
                 <TrendingDown className="w-3 h-3" />
+              ) : (
+                <TrendingUp className="w-3 h-3" />
               )}
             </div>
             <span className="truncate">{tx.merchant}</span>
@@ -90,10 +90,10 @@ export function getTransactionColumns({
           <span
             className={cn(
               'font-mono font-medium',
-              tx.transaction_type === 'DEVOLUCION' && 'text-primary',
+              tx.transaction_type !== 'COMPRA' && 'text-primary',
             )}
           >
-            {tx.transaction_type === 'DEVOLUCION' ? '+' : '-'}
+            {tx.transaction_type === 'COMPRA' ? '-' : '+'}
             {formatAmount(tx.amount, tx.currency)}
           </span>
         );