Rivian: Buy, Sell, or Hold?

Rivian shares remain volatile. Is now finally the time to buy?Rivian (RIVN -3.71%) has been a difficult stock to pin down. Shares have soared by 100% or more during certain trading periods. But over the long term, the stock has been a major loser. Since shares went public in 2021, they've lost around 90% of their value.Yet Rivian operates in one of the largest industries in the world: Transportation. Specifically, it's competing in one of the fastest-growing categories of the transportation industry -- elec ...