General Motors, 3M, Spotify, Verizon and more

Maplewood, Minnesota, 3M’s global headquarters. Michael Siluk | Universal Images Group | Getty Images Check out the companies that made headlines in pre-market trading. General Motors — General Motors shares rose more than 1% after the automaker raised its full-year outlook and reported second-quarter results that increased year-on-year. 3M – Shares of the maker rose […]