Cathie Wood's Ark Innovation ETF (NYSEMKT: ARKK) has been one of the best performing ETFs in the market recently. In less than three months since the April lows, the ETF has gained more than 75%. Of ...

Over the past year, the ETF has gained more than 60%. The performance of its top holdings has been stellar, but it's mostly well justified. Of course, the entire stock market has rebounded during that ...