Upgrades:
Walt Disney (DIS) upgraded to Buy at Evercore ISI
Verizon (VZ) upgraded to Buy from Neutral at Citigroup
Downgrades:
Other:
Facebook (FB) initiated with a Buy at Aegis
Twitter (TWTR) initiated with a Sell at Aegis; target $14
Amazon (AMZN) resumed with a Overweight at Piper Jaffray; target $900