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Futures lower ahead of data, auto sales; Greece eyed

U.S. stock index futures pointed to a lower open on Tuesday as investors awaited some minor data releases ahead of Friday's key jobs report, amid continued concerns about Greece.

A shopper loads purchases into his vehicle outside a Dollar General Corp. store in Princeton, Illinois.
Daniel Acker | Bloomberg | Getty Images
A shopper loads purchases into his vehicle outside a Dollar General Corp. store in Princeton, Illinois.

Tuesday is a quiet day for U.S. data, with factory orders for April at 10 a.m. ET and auto and truck sales for May, which are released throughout the day.

On Monday, mixed data reports kept stocks in a trading range with the major indices closing mildly higher. April construction spending hit a nearly 6-1/2-year high and ISM Manufacturing beat expectations. However, consumer spending was flat month-over-month.

Read MoreHot auto sales top Tuesday's watch list

Small-caps were under pressure in pre-market trade after rising on Monday to support stock gains.

Fears about Greece remained in the backdrop, with a 300 million euro ($327.9 million) repayment to the International Monetary Fund due on Friday.

Greece's international creditors are close to completing a draft of an aid agreement to present to the Greek government, a source close to the talks told Reuters on Tuesday.

Also in focus is inflation data from the euro zone, which came in at 0.3 percent in May. This was higher than the 0.2 percent forecast and will help waylay fears of a deflationary spiral in the region.

The U.S. dollar hit a 13-year high against the Japanese yen on Tuesday, piercing a key psychological level of 125 yen before trading slightly lower at 124.54 yen.

Lael Brainard, a member of the policy-setting Federal Open Market Committee (FOMC), will speak in Washington D.C. at 10 a.m. ET on the U.S. economic outlook and monetary policy. Investors remain focused on the Fed and economic data for hints as to when the long-awaited hike in interest rates could occur.

In corporate news, discount retailer Dollar General reported an 8.8 percent rise in quarterly sales, helped by higher demand for tobacco and health care products and perishable food items.

Apple will announce new music services at its Worldwide Developers Conference next week, according to The Wall Street Journal. Re/code also reports that the company will not announce a widely anticipated subscription TV service at the event, despite rampant speculation.

PVH earned an adjusted $1.50 per share for its latest quarter, beating estimates by 12 cents. Revenue was essentially in line, and the maker of Calvin Klein and other apparel brands raised its full-year outlook and announced a $500 million stock buyback. The upbeat quarter came despite the negative impact of a strong dollar.

Read MoreEarly movers: MDT, PVH, DG, SHLD, AAPL, KRFT & more

Medtronic reported adjusted quarterly profit of $1.16 per share, beating estimates by 5 cents, with revenue also above forecasts. The medical products maker's full-year forecast is slightly below Street estimates, however, as it increases the projected negative impact of the stronger dollar.

Youku Tudou gained nearly 3 percent in pre-market trade on news of a partnership with Disney. The Chinese video hosting site will be the exclusive online movie marketing platform for Marvel movies and TV series.

Reuters and CNBC's Peter Schacknow contributed to this report.