Interactive Brokers stock is trading at a record high, yet it's still inexpensive.Artificial intelligence (AI) stocks have been the center of attention for the past year, and for good reason. Nvidia, for example, has delivered a whopping return of more than 160% during the past 12 months alone on the back of soaring demand for its AI data center chips.But investors shouldn't forget about the rest of the market, because there are plenty of opportunities beyond AI. Interactive Brokers (IBKR -3.06%) is one of ...