Lexus is a division of Toyota Motors (TM: NYSE).
The ticker symbol for Kia Motors is 000270 and is traded on the Korea Exchange (KRX).
Hummer is owned by General Motors Corporation, which has the ticker symbol of GM.
GM
it is HYU
The Toyota ticker symbol is TM. In the future, you can go here to look up any ticker symbol: http://finance.yahoo.com/lookup
Toyota Motor (TM)
The stock symbol for Toyota Motor Corporation is TM and it trades on the New York Stock Exchange. It does not however trade on the Toronto Stock Exchange, and thus for Canadians wanting to buy Toyota Stock, they must buy it through the NYSE taking currency risk to go along with it.
The stock symbol is GM, for General Motors, Chevrolet's parent company.
TSLA is the Tesla Motors NASDAQ symbol. The company had their first day of trading on June 29th, 2010.
"GM" (same as the old ticker symbol for General Motors)
Cadillac is owned by General Motors, which trades on the NYSE under the symbol GM.