Why Rivian Stock Popped, Then Dropped Today

Positive and negative PR events cancel out, leaving investors still worried about Rivian's key concern: cash burn.Rivian Automotive (RIVN 2.70%) stock ran up 6.4% through 10 a.m. ET this morning before giving back most of its gains. As of 11 a.m. the stock's still up -- but only 1.9%. So why did Rivian pop and why did it then drop?Well, the good news is that Rivian is partnering with renewable energy company Sol Systems and apparel company Patagonia to build a 50 MW "Lick Creek Solar project" in Stokes Coun ...