Futures hold gains amid in-line retail sales

U.S. stock index futures were a touch higher on Thursday, pointing to a positive open on Wall Street as investors eyed this week's most-anticipated economic number: May retail sales.

Retail sales for May showed an increase of 1.2 percent, with the ex-autos figure up 1 percent. April retail sales were revised upward to 0.2 percent from flat.

Economists polled by Reuters forecast retail sales rose 1.1 percent month-on-month and 0.7 percent excluding autos.

Weekly jobless claims totaled 279,000, slightly above expectations.

Treasury yields extended losses after earlier trading just below recent multi-month highs, with the 10-year yield at 2.43 percent. The yield on the 30-year bond was lower at 3.17 percent ahead of a $13 billion auction of 30-year bonds at 1 p.m.

The U.S. dollar extended gains against the euro, which held near $1.12.

The U.S. central bank meets next week and is not expected to make any changes to monetary policy just yet.

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In early London trade, U.S. stock market futures edged higher, with the Dow Jones industrial average futures up 23 points.

U.S. stocks bounced on Wednesday, closing more than 1 percent higher amid some encouraging signs on talks between Greece and its creditors on a cash-for-reform deal.

Greece's Prime Minister, Alexis Tsipras, held late-night talks with German and French leaders and agreed to step up talks with international creditors in order to avert a debt default.

European shares nudged higher on Thursday, while in Asia, Japan's blue-chip Nikkei stock index closed up 1.68 percent.

The supply of oil from the Organization of Petroleum-Exporting Countries (OPEC) in May reached its highest level since August 2012, the International Energy Agency (IEA) said in a report published on Thursday.

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On the corporate front, Facebook holds its annual meeting later in the day, while earnings are expected from Bojangles, ExOne, Korn/Ferry and Restoration Hardware.

The European Commission has opened a formal probe into Amazon.com's e-book business, focusing on agreements between Amazon and publishers. Regulators are focusing on clauses that require them to offer Amazon terms that are at least as good as those offered to competitors.

Nike signed an 8-year NBA sponsorship contract, starting in 2017. Terms were not disclosed.

Krispy Kreme beat estimates by 2 cents with adjusted quarterly profit of 24 cents per share, though revenue fell slightly short. Comparable store sales for the doughnut chain were up 5.2 percent during the quarter, amid improving profit margins.

JetBlue reported its "load factor" for May at 85.7 percent, an improvement of 0.5 percent from a year earlier.

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CNBC's Peter Schacknow contributed to this report.