At times during 2018, Boeing shares approached the $400 mark. Some investors saw that price as being too high, thinking that a stock split would be an appropriate move to reduce the share price and signal confidence in the aerospace giant's long-term future. After having not seen a split since the 20th century, could Boeing investors finally get what they're looking for in 2019? Let's take a closer look at the company and whether a stock split could come this year.