Before the bell:
U.S. stocks were poised to start the week little changed Monday, as investors digested personal income and spending data.
Investors were also bracing for Greece's parliament to begin debating the Greece austerity plan, mandated by the European Union and International Monetary Fund in exchange for a financial rescue package for the debt-stricken country.
It has been a difficult three months for Wall Street. The Dow has fallen 3% since March 3, while the broader market S&P 500 index is down 4.3%.
Despite recent weakness and volatility, the market could be in store for a rebound next month, and in the second half of the year.
Economy: Personal income rose 0.3% in May, the Commerce Department reported Monday. That was slightly lower than the 0.4% economists had forecast, and follows a 0.4% rise in April.
Spending was unchanged in May, after ticking up 0.4% in the previous month. Economists surveyed were looking for spending to have edged up 0.1% last month.
Companies: Citigroup (C, Fortune 500) said 3,400 of the customers who were hacked in its recent data breach suffered about $2.7 million in losses. The news came after the company said last week it discovered that more than 360,000 accounts had been hacked.
Shares of Chinese company LDK Solar (LDK) surged more than 7% after the company said it plans to buy back $110 million of its American depositary shares.
Appliance maker Stanley Black & Decker (SWK, Fortune 500) made a $1.2 billion offer to buy Swedish information technology company Niscayah Group. Shares of Stanley Black & Decker rose about 1% in premarket trading.
Athletic apparel giant Nike (NKE, Fortune 500) is scheduled to report its earnings after the closing bell.
Oil for August delivery slipped 36 cents to $90.80 a barrel.
Gold futures for August delivery added $2.60 to $1,503.60 an ounce.
Bonds: The price on the benchmark 10-year U.S. Treasury edged lower, pushing the yield up to 2.88%, from 2.86% late Friday.