10 things you need to know before the opening bell

Here is what you need to know.

China's services sector is growing at its fastest pace since January. China's Caixin-IHS Markit services PMI jumped 1.3 points to 52.8 in May as new orders grew at a faster pace and order backlogs also increased.

The British pound ticks higher after the London Bridge attack. Sterling trades up 0.2% at 1.2907 against the dollar after hitting an overnight low of 1.2853. The UK general election will be held on Thursday, June 8.

Trump might impose sanctions on Venezuela's oil sector. President Donald Trump is considering sanctions against Venezuela's oil sector, including state oil company PDVSA, in an effort to pressure Nicolas Maduro's government, Reuters reports.

4 regional allies cut ties with Qatar over "terrorism links." West Texas Intermediate crude oil hit a high of $48.42 a barrel after Bahrain, Egypt, Saudi Arabia, and the United Arab Emirates announced they were cutting ties with Qatar, accusing it of "support to (terrorist) organizations in Yemen." WTI has given up those gains and now trades little changed near $47.70.

Morgan Stanley abandons its call for the euro to plunge below parity with the dollar. The bank sees EUR/USD ending the third quarter at 1.15 and the fourth quarter at 1.18 after previously calling for 0.99 and 0.97, respectively. "We revise EUR higher as the currency has become positively correlated with growth and political uncertainty has diminished," the bank said in a note released on Sunday."

Lawyers warn Saudi Aramco that a New York listing poses the biggest litigation risk. Risks include US the possibility of a lawsuit by family members of victims of the September 11 attacks on the World Trade Center, the possibility of lawsuits for not complying with disclosing oil data, and aggressive shareholder lobbies, the Financial Times says.

A former board member says Deutsche Bank isn't in talks to clawback bonuses. Former board member Hugo Baenziger told Frankfurter Allgemeine Sonntagszeitung that the German bank hasn't discussed clawing back bonuses because of past misconduct.

Herbalife exceeds a key FTC threshold. The multi-level marketing company announced 90% of its US sales in May were documented purchases by customers, exceeding the 80% threshold that was named in its agreement with the Federal Trade Commission.

Stock markets around the world are mostly lower. China's Shanghai Composite (-0.5%) trailed in Asia and Britain's FTSE (-0.4%) lags in Europe. The S&P 500 is set to open slightly lower near 2,438.

US economic data is heavy. Markit US Services PMI will be released at 9:45 a.m. ET before ISM nonmanufacturing, factory orders, and durable goods orders all cross the wires at 10 a.m. ET. The US 10-year yield is X at X.