https://www.reuters.com/article/us-tesla-ark-innovation/ark-invest-adds-171-million-worth-tesla-shares-idUSKBN2AO0ZM >Star investor Cathie Wood's Ark Invest funds added a further $171 million worth of Tesla shares on Tuesday when the electric carmaker's stock fell sharply and closed below $700 for the first time in 2021, it said on Wednesday.