Which one of these potential disruptors is the better buy? Innovation stocks can be incredible wealth escalators. Technological breakthroughs can open up new high-value markets or unlock unique ways to target underserved sectors. Archer Aviation (ACHR -2.14%) and Viking Therapeutics (VKTX -8.29%) are prime examples. Archer Aviation aims to be among the first companies in the world to bring a low-noise, electric vertical take- off and landing (eVTOL) aircraft to market. Archer's experimental aircraft, Midnig ...