Fix symbol validation

apps/api/src/services/data-provider/data-enhancer/yahoo-finance/yahoo-finance.service.ts

@@ -170,7 +170,7 @@ export class YahooFinanceDataEnhancerService implements DataEnhancerInterface {
             symbol = quotes[0].symbol;
           }
         } catch {}
-      } else if (symbol?.includes('-')) {
+      } else if (symbol?.endsWith(`-${DEFAULT_CURRENCY}`)) {
         throw new Error(`${symbol} is not valid`);
       } else {
         symbol = this.convertToYahooFinanceSymbol(symbol);