Following yesterday's news that investor Carl Icahn has taken a greater than $1 billion position in Apple, believing the company is 'extremely undervalued', today Lee Cooperman of hedge fund Omega Advisors says he agrees with Icahn and that his firm has taken a modest position in Apple, according to CNBC. The news has driven Apple's stock price over $500 for the first time seven months. Apple first breached the $500 barrier in February of 2012, nearly 18 months ago to the day. Scott Wapner reporting earlier today on CNBC: Much is being made of Carl Icahn's big new position in Apple, but fr