diff --git a/Nova/AppDelegate.swift b/Nova/AppDelegate.swift
index 8e429f4..dc20381 100644
--- a/Nova/AppDelegate.swift
+++ b/Nova/AppDelegate.swift
@@ -35,6 +35,7 @@ class AppDelegate: NSObject, NSApplicationDelegate {
     func applicationDidFinishLaunching(_ aNotification: Notification) {
         self.initRealm()
         self.menuBarView = MenuBarView()
+        self.fileNotifications()
     }
     
     func initRealm() {
@@ -49,5 +50,23 @@ class AppDelegate: NSObject, NSApplicationDelegate {
             realm.deleteAll()
         }
     }
+    
+    func onWakeNote(note: NSNotification) {
+        self.menuBarView?.resume()
+    }
+    
+    func onSleepNote(note: NSNotification) {
+        self.menuBarView?.pause()
+    }
+    
+    func fileNotifications() {
+        NSWorkspace.shared().notificationCenter.addObserver(
+            self, selector: #selector(onWakeNote(note:)),
+            name: Notification.Name.NSWorkspaceDidWake, object: nil)
+        
+        NSWorkspace.shared().notificationCenter.addObserver(
+            self, selector: #selector(onSleepNote(note:)),
+            name: Notification.Name.NSWorkspaceWillSleep, object: nil)
+    }
 }
 
diff --git a/Nova/view/menubar/MenuBarView.swift b/Nova/view/menubar/MenuBarView.swift
index f8bfca1..2ba5a8b 100644
--- a/Nova/view/menubar/MenuBarView.swift
+++ b/Nova/view/menubar/MenuBarView.swift
@@ -88,7 +88,20 @@ class MenuBarView: NSObject {
         self.statusItem.attributedTitle = title
     }
     
+    func refresh() {
+        self.viewModel.subscribe()
+    }
+    
+    func pause() {
+        self.viewModel.unsubscribe()
+    }
+    
+    func resume() {
+        self.viewModel.subscribe()
+    }
+    
     private func bindUi() {
+        self.viewModel.subscribe()
         self.viewModel.menuBarText.asObservable().subscribe(onNext: { text in
             self.setStatusItemTitle(title: text)
         })
diff --git a/Nova/view/menubar/MenuBarViewModel.swift b/Nova/view/menubar/MenuBarViewModel.swift
index 10b7a09..ee36086 100644
--- a/Nova/view/menubar/MenuBarViewModel.swift
+++ b/Nova/view/menubar/MenuBarViewModel.swift
@@ -35,9 +35,12 @@ class MenuBarViewModel {
     init(repo: DataRepository, prefs: Prefs) {
         self.repo = repo
         self.prefs = prefs
-        
+    }
+    
+    func subscribe() {
         // Watch when list with pinned tickers changes
         self.repo.getPinnedTickers()
+            .retry(5)
             .flatMap({ tickers -> Observable<[String]> in
                 
                 // If we don't have any pinned tickers, show app name
@@ -71,7 +74,7 @@ class MenuBarViewModel {
             })
             .filter { $0.count != 0 }
             .subscribe(onNext: { tickerSymbols in
-               
+                
                 // Subscribe for updates for given ticker symbols
                 self.repo.subscribeForTickerUpdates(baseSymbols: tickerSymbols)
             })
@@ -79,4 +82,8 @@ class MenuBarViewModel {
         
         self.repo.subscribeForGlobalUpdates()
     }
+    
+    func unsubscribe() {
+        self.repo.disposeRefreshSubscriptions()
+    }
 }