Every day, Wall Street analysts upgrade some stocks, downgrade others, and "initiate coverage" on a few more. But do these analysts even know what they're talking about? Today, we're taking one high-profile Wall Street pick and putting it under the microscope...Veon Ltd. (NASDAQ: VEON) has always been a strange kind of a stock.Born as a holding company for the Russian mobile phone service Beeline, Veon was originally named VimpelCom -- presumably in order to make it sound more Western, and therefore more reliable, to Russian consumers enduring the hurly burly Yeltsin era of Russian business.