diff --git a/apps/stock/config/config/default.json b/apps/stock/config/config/default.json
index 6c28cf5..dde869a 100644
--- a/apps/stock/config/config/default.json
+++ b/apps/stock/config/config/default.json
@@ -77,8 +77,8 @@
       "port": 6379,
       "db": 1
     },
-    "workers": 5,
-    "concurrency": 5,
+    "workers": 1,
+    "concurrency": 1,
     "enableScheduledJobs": true,
     "defaultJobOptions": {
       "attempts": 3,
diff --git a/apps/stock/data-ingestion/src/handlers/qm/qm.handler.ts b/apps/stock/data-ingestion/src/handlers/qm/qm.handler.ts
index e055588..0124451 100644
--- a/apps/stock/data-ingestion/src/handlers/qm/qm.handler.ts
+++ b/apps/stock/data-ingestion/src/handlers/qm/qm.handler.ts
@@ -5,9 +5,8 @@ import {
   Operation,
   ScheduledOperation,
 } from '@stock-bot/handlers';
-import type { DataIngestionServices } from '../../types';
 import type { OperationRegistry } from '../../shared/operation-manager';
-import { createQMOperationRegistry } from './shared/operation-provider';
+import type { DataIngestionServices } from '../../types';
 import {
   checkSessions,
   createSession,
@@ -29,6 +28,7 @@ import {
   updatePrices,
   updateSymbolInfo
 } from './actions';
+import { createQMOperationRegistry } from './shared/operation-provider';
 
 @Handler('qm')
 export class QMHandler extends BaseHandler<DataIngestionServices> {
@@ -99,7 +99,7 @@ export class QMHandler extends BaseHandler<DataIngestionServices> {
   @Operation('update-symbol-info')
   updateSymbolInfo = updateSymbolInfo;
 
-  // @Disabled()
+  @Disabled()
   @ScheduledOperation('schedule-symbol-info-updates', '0 */6 * * *', {
     priority: 7,
     immediately: false,
@@ -113,7 +113,7 @@ export class QMHandler extends BaseHandler<DataIngestionServices> {
   @Operation('update-financials')
   updateFinancials = updateFinancials;
 
-  // @Disabled()
+  @Disabled()
   @ScheduledOperation('schedule-financials-updates', '0 2 * * *', {
     priority: 6,
     immediately: false,
@@ -127,7 +127,7 @@ export class QMHandler extends BaseHandler<DataIngestionServices> {
   @Operation('update-events')
   updateEvents = updateEvents;
 
-  // @Disabled()
+  @Disabled()
   @ScheduledOperation('schedule-events-updates', '0 3 * * *', {
     priority: 6,
     immediately: false,
@@ -155,7 +155,7 @@ export class QMHandler extends BaseHandler<DataIngestionServices> {
   @Operation('update-prices')
   updatePrices = updatePrices;
 
-  // @Disabled()
+  @Disabled()
   @ScheduledOperation('schedule-price-updates', '0 */6 * * *', {
     priority: 8,
     immediately: false,
diff --git a/apps/stock/data-ingestion/src/handlers/qm/shared/config.ts b/apps/stock/data-ingestion/src/handlers/qm/shared/config.ts
index 62626c3..775418e 100644
--- a/apps/stock/data-ingestion/src/handlers/qm/shared/config.ts
+++ b/apps/stock/data-ingestion/src/handlers/qm/shared/config.ts
@@ -42,7 +42,7 @@ export const QM_CONFIG = {
 
 // Session management settings
 export const SESSION_CONFIG = {
-  MAX_SESSIONS: 100,
+  MAX_SESSIONS: 5,
   MAX_FAILED_CALLS: 5,
   SESSION_TIMEOUT: 5000, // 10 seconds
   API_TIMEOUT: 30000, // 15 seconds
diff --git a/apps/stock/data-ingestion/src/shared/operation-manager/OperationTracker.ts b/apps/stock/data-ingestion/src/shared/operation-manager/OperationTracker.ts
index 13896da..3cd4cc2 100644
--- a/apps/stock/data-ingestion/src/shared/operation-manager/OperationTracker.ts
+++ b/apps/stock/data-ingestion/src/shared/operation-manager/OperationTracker.ts
@@ -5,13 +5,13 @@
 import type { Logger, MongoDBClient } from '@stock-bot/types';
 import type { BaseOperationProvider } from './BaseOperationProvider';
 import type {
+  BulkOperationUpdate,
   OperationComponentOptions,
+  OperationConfig,
+  OperationStats,
   OperationUpdate,
   StaleSymbolOptions,
-  BulkOperationUpdate,
-  OperationStats,
-  SymbolWithOperations,
-  OperationConfig
+  SymbolWithOperations
 } from './types';
 
 /**
@@ -197,7 +197,7 @@ export class OperationTracker {
    * Bulk update symbol operations for performance
    */
   async bulkUpdateSymbolOperations(updates: BulkOperationUpdate[]): Promise<void> {
-    if (updates.length === 0) return;
+    if (updates.length === 0) {return;}
 
     const { collectionName, symbolField, name: providerName } = this.provider.getProviderConfig();