#US: Close (Jun-30): Indices posted its biggest quarterly gains in more than a decade; Facebook, Amazon rose nearly 3% each. Consumer confidence picked up in June. Uber is in talk to buy food delivery group Postmates for about $2.6 bn. #DJIA +0.85% #SP500 +1.54% #Nasdaq +1.87%. https://t.co/BwPJcJNjOV