Actually, 1.5% is $420 million. Besides the other stuff they got wrong in the article, they're not very good at math! Viacom's Market Cap - share price times number of shares floated - is $28.03 Billion. So yes, a 1.5% drop in price is $420 million. Chump change when you consider that a 1.5% drop in Apple is $11.1…