Citi Downgrades Lamar Advertising, Growth Will Prove A Challenge By: Benzinga via Benzinga February 26, 2015 at 13:30 PM EST Citi Equity Research issued a report on Lamar Advertising REIT Co (NASDAQ: LAMR). Citi downgraded Lamar Advertising REIT from Buy to ... Read More >> Related Stocks: Lamar Advertis A