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, Midnight, ...