Tesla shares are trading down as much as six percent premarket, a few hours after digesting the Cybercabs and ruBOvehns. [Attachment: https://cdn.vox-cdn.com/thumbor/l17u6pCK-6uiAzugt0t8Z3sTky0=/0x0:1092x656/1092x656/filters:focal(546x328:547x329)/cdn.vox-cdn.com/uploads/chorus_asset/file/25670722/iFzdjc4.png]