** Swedish electric and self-driving truck firm Einride's ENRD.O shares rise 67.3% to $15.93

** Co begins trading on Nasdaq after merging with SPAC firm Legato LEGT.A

** Merger initially valued ENRD at ~$1.8 bln, later revised to ~$1.35 bln after additional financing

** ENRD's investors include Swedish EQT EQTAB.ST and Ericsson

** Co's customers include Lidl, PostNord and Carlsberg; currently has ~200 electric trucks