Investment is about buying (a fraction of) a business and let compounding do its job. Just find good business to buy rather than chase after what stock is in rotation!
All of Ark' ETFs move in the same direction. The magnitude is different for each one but it is not big difference. From a risk management perspective, it doesn't make sense to have more than 1 Ark ETF.
Which marketing campaign contains zero exaggeration. Skincare brands or marketing of any products and services that charges a premium are typical examples of exaggeration. There's a difference between false claims and exaggeration.