- David Neuhauser's hedge fund Livermore Partners was short Cathie Wood's Ark Innovation ETF in 2021.
- He now says ARKK will become a "poster boy for all the things in the current cycle that you should not have been investing in."
- ARKK is down 11% year-to-date, according to Refintiv data.
A trader works on the floor of the New York Stock Exchange (NYSE) in New York, on Monday, Sept. 20, 2021.
Michael Nagle | Bloomberg | Getty Images