Don't be too quick to jump on the Wall Street bandwagon. It's been a great year for Novavax (NVAX 0.25%). The biotech is up by 150% since January. However, analysts see even more upside for the vaccine maker. The consensus estimate of $20 a share implies a 65% increase over its current stock price, not too shabby for a company that, not too long ago, seemed to be not too far from bankruptcy. Can Novavax maintain its momentum? Let's find out if the biotech can hit the street's price target within the next 12 ...