On Feb. 12, embattled electric vehicle maker Rivian Automotive (NASDAQ: RIVN) will announce fourth-quarter earnings. In this report, investors will be closely watching to see if the company can successfully diversify its business model to include more contributions from software and services, which could be more reliable growth drivers than traditional vehicle sales. Let's discuss what investors should expect and decide if the stock is a buy. Production and delivery numbers were lackluster While investors ...