general motors co gm said wednesday it delivered 691978 vehicles in the second quarter up 19 yearonyear that includes the sale of more than 15000 electric vehicles the auto maker said “all four of gm’s brands delivered doubledigit yearoveryear increases in the second quarter gm envolve fleet services continued its growth with fleet customers and the company expanded its truck leadership” gm said the stock gained 1 after the news earlier this week tesla inc tsla  rivian automotive inc rivn and other legacy and ev makers reported sales data as well lifting the sector