Tesla, Inc. (NASDAQ:TSLA) shares have been on a downward spiral this year amid worries about the EV giant potentially missing first-quarter delivery targets. Undeterred by the recent weakness, Cathie Wood‘s Ark Investment Management actively bought Tesla shares on Thursday. Ark’s Pile-Up: Ark purchased a total of 216,682 Tesla shares across three of its actively managed exchange-traded funds on Thursday. The purchase, valued at $35.21 million based on Tesla’s closing price of $162.50, is broken down as follows: Ark Innovation ETF (ARKK): 161,956 sharesARK Autonomous Technology & Robotics ETF (…