A Delta Air Lines jet taxis beyond parked Southwest Airlines planes at McCarran International Airport September 12, 2005 in Las Vegas, Nevada.
Ethan Miller| Getty Images
Here are the biggest calls on Wall Street on Friday:
Citi initiated Delta Airlines & United Airlines as ‘buy’
Citi initiated several airline stocks and said it liked Delta’s revenue “diversity” and United’s global partnerships.
“Delta screens attractively on its revenue diversity, its relatively smooth earnings streams and its solid alliance networks. .. .United‘s global partnerships also appear to be ramping up positively, even if the carrier might have to invest more capital into Star Alliance partner Avianca than it had…