diff --git a/apps/api/src/app/activities/activities.controller.ts b/apps/api/src/app/activities/activities.controller.ts
index 7b647ba73..738589ba2 100644
--- a/apps/api/src/app/activities/activities.controller.ts
+++ b/apps/api/src/app/activities/activities.controller.ts
@@ -229,7 +229,7 @@ export class ActivitiesController {
 
     let assetProfiles: {
       [assetProfileIdentifier: string]: Partial<SymbolProfile>;
-    } = {};
+    };
 
     try {
       assetProfiles = await this.dataProviderService.validateActivities({
@@ -382,8 +382,7 @@ export class ActivitiesController {
           },
           update: {
             assetClass: data.assetClass,
-            assetSubClass: data.assetSubClass,
-            name: data.symbol
+            assetSubClass: data.assetSubClass
           }
         },
         tags: data.tags?.map((id) => {
diff --git a/apps/api/src/app/activities/activities.service.ts b/apps/api/src/app/activities/activities.service.ts
index 3627de912..5b9ca13bf 100644
--- a/apps/api/src/app/activities/activities.service.ts
+++ b/apps/api/src/app/activities/activities.service.ts
@@ -896,7 +896,6 @@ export class ActivitiesService {
         data.type === 'BUY')
     ) {
       delete data.SymbolProfile.connect;
-      delete data.SymbolProfile.update.name;
     } else {
       delete data.SymbolProfile.update;
 
diff --git a/apps/api/src/services/queues/data-gathering/data-gathering.service.spec.ts b/apps/api/src/services/queues/data-gathering/data-gathering.service.spec.ts
index 270acbcff..994222ef1 100644
--- a/apps/api/src/services/queues/data-gathering/data-gathering.service.spec.ts
+++ b/apps/api/src/services/queues/data-gathering/data-gathering.service.spec.ts
@@ -155,6 +155,27 @@ describe('DataGatheringService', () => {
         })
       );
     });
+
+    it('Creates a new asset profile with the symbol of the data provider', async () => {
+      dataProviderService.getAssetProfiles.mockResolvedValue({
+        'YAHOO-aapl': {
+          currency: 'USD',
+          dataSource: DataSource.YAHOO,
+          name: 'Apple Inc.',
+          symbol: 'AAPL'
+        }
+      });
+
+      await dataGatheringService.gatherAssetProfiles([
+        { dataSource: DataSource.YAHOO, symbol: 'aapl' }
+      ]);
+
+      expect(prismaService.symbolProfile.upsert).toHaveBeenCalledWith(
+        expect.objectContaining({
+          create: expect.objectContaining({ symbol: 'AAPL' })
+        })
+      );
+    });
   });
 
   describe('gatherRecentMarketData', () => {
diff --git a/apps/api/src/services/queues/data-gathering/data-gathering.service.ts b/apps/api/src/services/queues/data-gathering/data-gathering.service.ts
index fc7efbdec..53472fb34 100644
--- a/apps/api/src/services/queues/data-gathering/data-gathering.service.ts
+++ b/apps/api/src/services/queues/data-gathering/data-gathering.service.ts
@@ -166,8 +166,8 @@ export class DataGatheringService {
             isin,
             name,
             sectors,
-            symbol,
-            url
+            url,
+            symbol: assetProfile.symbol
           },
           update: {
             assetClass,
diff --git a/apps/api/src/services/symbol-profile/symbol-profile.service.ts b/apps/api/src/services/symbol-profile/symbol-profile.service.ts
index 970802b5a..715ec0831 100644
--- a/apps/api/src/services/symbol-profile/symbol-profile.service.ts
+++ b/apps/api/src/services/symbol-profile/symbol-profile.service.ts
@@ -143,14 +143,29 @@ export class SymbolProfileService {
       return symbol;
     }
 
-    const symbolProfile = await this.prismaService.symbolProfile.findFirst({
-      where: {
-        dataSource,
-        symbol: { equals: symbol, mode: 'insensitive' }
-      }
+    const symbolProfile = await this.prismaService.symbolProfile.findUnique({
+      where: { dataSource_symbol: { dataSource, symbol } }
     });
 
-    return symbolProfile?.symbol ?? symbolOfDataProvider ?? symbol;
+    if (symbolProfile) {
+      return symbolProfile.symbol;
+    }
+
+    const symbolProfileWithOtherLetterCase =
+      await this.prismaService.symbolProfile.findFirst({
+        orderBy: { symbol: 'asc' },
+        where: {
+          dataSource,
+          symbol: {
+            equals: this.escapeLikePattern(symbol),
+            mode: 'insensitive'
+          }
+        }
+      });
+
+    return (
+      symbolProfileWithOtherLetterCase?.symbol ?? symbolOfDataProvider ?? symbol
+    );
   }
 
   public async getSymbolProfiles(
@@ -315,6 +330,14 @@ export class SymbolProfileService {
     });
   }
 
+  /**
+   * Escapes the wildcard characters of a LIKE pattern, because Prisma
+   * translates a case-insensitive filter into an ILIKE expression.
+   */
+  private escapeLikePattern(value: string) {
+    return value.replace(/[\\%_]/g, '\\$&');
+  }
+
   private getCountries(aCountries: Prisma.JsonArray = []): Country[] {
     if (aCountries === null) {
       return [];
diff --git a/apps/client/src/app/components/admin-market-data/admin-market-data.component.ts b/apps/client/src/app/components/admin-market-data/admin-market-data.component.ts
index ef70590ba..edcac079d 100644
--- a/apps/client/src/app/components/admin-market-data/admin-market-data.component.ts
+++ b/apps/client/src/app/components/admin-market-data/admin-market-data.component.ts
@@ -22,6 +22,7 @@ import { GfValueComponent } from '@ghostfolio/ui/value';
 
 import { SelectionModel } from '@angular/cdk/collections';
 import { CommonModule } from '@angular/common';
+import { HttpErrorResponse } from '@angular/common/http';
 import {
   AfterViewInit,
   ChangeDetectionStrategy,
@@ -497,7 +498,21 @@ export class GfAdminMarketDataComponent implements AfterViewInit, OnInit {
                 .addAssetProfile({ dataSource, symbol })
                 .pipe(takeUntilDestroyed(this.destroyRef))
                 .subscribe({
-                  error: () => {
+                  error: (error: HttpErrorResponse) => {
+                    const { message } = (error.error ?? {}) as {
+                      message?: string;
+                    };
+
+                    this.snackBar.open(
+                      '😞 ' +
+                        (message ??
+                          $localize`An error occurred while creating the asset profile ${symbol} (${dataSource}).`),
+                      undefined,
+                      {
+                        duration: ms('3 seconds')
+                      }
+                    );
+
                     this.router.navigate(['.'], { relativeTo: this.route });
                   },
                   next: (assetProfile) => {