Tesla delays its much-hyped 'battery day' and annual shareholder meeting until September because of the coronavirus (TSLA)

· Tesla has delayed its battery day event again, along with its annual shareholder meeting, due to the coronavirus pandemic. 
· Both are now tentatively set for September to allow for in-person gatherings. 
· Elon Musk has promised the forthcoming battery event to be one of the "most exciting" in Tesla's history.
· Visit...