Stock futures fluctuated on Thursday after the European Central Bank opted to leave its monetary policy unchanged. 

S&P 500 futures were down 0.06%, Dow Jones Industrial Average futures fell 0.02%, and Nasdaq futures slid 0.02%.

The ECB held its key rate at a record low of zero percent for another month and expects to hold rates at current levels "for an extended period of time." The central bank also said it intends to hold its monthly asset repurchases of 80 billion euros a month until March 2017, though could extend the program if need be. 

ECB President Mario Draghi said in a press conference that the latest data on the eurozone economy shown "resilience" to global uncertainty. Data since the September meeting had met the central bank's expectations. Draghi said the ECB remains committed to use all tools necessary to achieve its growth goals. 

The number of new claims for unemployment benefits hit a six-week high in the past week, climbing 13,000 to 260,000, according to the Labor Department. Economists had anticipated 248,000 new claims. The measure remains under 300,000 for its 85th week in a row, the best streak since 1970. The four-week average increased to 251,750. 

Business activity in the Philadelphia region fell in October, according to the latest Philly Fed Business Outlook. The index fell to 9.7 in October, down from 12.8 in September but above forecasts of 5.3. 

American Express (AXP - Get Report) climbed 6% in premarket trading after topping earnings estimates in its recent quarter. The credit card company earned $1.24 a share, 28 cents above forecasts. Revenue fell 5.1% to $7.77 billion, narrowly beating sales estimates. 

Verizon (VZ - Get Report) fell nearly 3% after earnings and revenue declined in its third quarter. The telecom giant earned 89 cents a share over the quarter, a dime less than the same period a year earlier. Adjusted income of $1.01 a share beat estimates by 2 cents. Revenue fell 6.7% to $33.1 billion. Verizon said it faced a "challenging environment" over the quarter, adding 442,000 retail postpaid net additions. Consensus was for 773,000. 

eBay (EBAY - Get Report) was down 8% in premarket trading after issuing disappointing guidance for its current quarter. The auction site said it expects adjusted earnings between 52 cents and 54 cents a share on revenue of $2.36 billion to $2.41 billion. Analysts anticipated adjusted earnings of 54 cents a share on revenue of $2.40 billion.

Kinder Morgan (KMI - Get Report)  rose 2% in premarket trading despite reporting a surprise loss in its third quarter. The energy infrastructure company reported a net loss of a dime a share, far worse than an expected profit of 16 cents a share. Revenue tumbled 10.2% to $3.33 billion. 

Mattel (MAT - Get Report) moved higher after reporting a mixed third quarter. The toymaker earned 70 cents a share over its recent quarter, missing estimates by a penny. Revenue inched 0.6% higher to $1.8 billion, $30 million higher than analysts anticipated. 

Travelers (TRV - Get Report) reported a decline in net profit in its third quarter tied to increased weather insurance claims. Net income fell to $2.45 a share from $2.97 a share in the year-ago quarter. Adjusted earnings of $2.40 a share edged past estimates of $2.38. Revenue increased 2% to $6.96 billion, exceeding estimates, as net written premiums rose 3%.

Walgreens (WBA - Get Report) moved slightly lower on Thursday after missing analysts' quarterly estimates on its topline. The retail and pharmacy chain earned adjusted net income of $1.07 a share, 8 cents higher than consensus. Revenue rose just 0.4% to $28.64 billion, missing estimates of $29.11 billion. Walgreens also noted that its purchase of Rite Aid (RAD - Get Report) was "progressing as planned."

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Crude oil prices pulled back on Thursday after closing at its best level since July 2015 on Wednesday. A weekly reading on domestic inventories from the Energy Information Administration showed a decline for the sixth time in seven weeks. Upbeat comments from Saudi Arabia, one of the largest producers in the Organization of Petroleum Exporting Countries, also boosted prices.

West Texas Intermediate crude was down 1.1% to $51.01 a barrel.