Stocks poised for a lower start ahead of data, with North Korea, GM in focus

U.S. stocks were poised for a lower start on Tuesday, as investors returned from a long weekend. This last, shortened week of May is the last week for General Motors (GM) to submit a restructuring plan to the government or face bankruptcy.

Investors today were also faced with escalating tensions with North Korea after it violated international bans on nuclear testing. While falling oil prices are in focus, upcoming housing and confidence data could change market's direction.

More here: Before the bell: Stocks poised for a weaker start on North Korea, ahead of data