"That's the key driver of why Moderna stock is up 644% year to date." It's often the things we can't see coming that will determine the fate of a company's share price. (Who knew Zoom would become a household name before the pandemic?) "What if the actual results do not fall in line with what was determined in the study, now that it's being used by a larger population?" asked CFP Lawrence Sprung, president of Mitlin Financial, based in Hauppauge, New York. "What if they don't get the largest part of the market share?"