Don't look now but Lucid Motors (LCID -3.04%) just received another boost of momentum, shooting the stock over 40% higher Thursday. The driving force behind its move higher was blasted across headlines: Uber Technologies (UBER 0.03%) to invest $300 million in Lucid to form robotaxi partnership. The great news for investors is that aside from the phenomenal opportunity it presents, is that it could be the last thing it needs to prove to Wall Street. More on this in a second.But don't overlook the second anno ...