With her latest purchase, veteran investor Cathie Wood has demonstrated her preference for three leading crypto stocks. And it comes at an opportune time, given that all three bled on the day of the purchase as part of the broader tech sell-off in the market. Leading trading exchanges that offer crypto trading, such as Coinbase (Nasdaq: COIN) and Robinhood (Nasdaq: HOOD), are already part of her portfolio. Related: Cathie Wood buys $30M of sinking crypto stock As the market is going through a downturn, W ...