Following the trades of large firms can be a smart investing strategy. Not that anyone should blindly follow, but seeing where they think the market could move can provide insights into what you should be doing. Many people have done this with Warren Buffett's trades at Berkshire Hathaway for years, but they only reveal their trades once every quarter in a 13F document. Cathie Wood and Ark Invest don't follow those same guidelines; they post their daily trades on their website. This allows us to see what th ...