US STOCKS-Futures perk up on vaccine hopes as stimulus stand-off weighs

BioNTech's U.S.-listed shares jumped 2.4%. Trading on Wall Street this week has been dictated by news about more federal aid to help businesses and households reeling from the impact of the COVID-19 pandemic, with the S&P 500 on track for its smallest weekly gains in three.

U.S. stock index futures rose on Friday as Pfizer said it could apply for emergency use of its COVID-19 vaccine candidate as early as November, shaking off worries over a stand-off in Washington on more fiscal aid.

The drugmaker's shares firmed 1% in premarket trading after it said it would file for U.S. emergency approval of its COVID-19 vaccine candidate being developed along with Germany's BioNTech SE as soon as a safety milestone is achieved in the third week of November. BioNTech's U.S.-listed shares jumped 2.4%.

Trading on Wall Street this week has been dictated by news about more federal aid to help businesses and households reeling from the impact of the COVID-19 pandemic, with the S&P 500 on track for its smallest weekly gains in three. Talks between Democrats and Republicans seemed unlikely to yield a deal before the Nov. 3 election at a time when data has underscored a struggling labor market and a stalling economic recovery.

President Donald Trump and Democratic challenger Joe Biden will return to the campaign trail with visits to three battleground states, a day after the two contenders clashed from afar during dueling televised town halls. Meanwhile, after a mixed start to the third-quarter earnings season from the big Wall Street lenders, investors will look next week to results from Netflix Inc, one of the technology mega-caps that have benefited from stay-at-home demand during the pandemic.

Analysts' expectations for S&P 500 companies' earnings have improved to an 18.8% fall from a 25% tumble forecast three months earlier. Schlumberger dipped 0.4% ahead of its results scheduled before the opening bell.

At 6:35 a.m. ET, Dow e-minis were up 55 points, or 0.19%, S&P 500 e-minis were up 6.5 points, or 0.19%, and Nasdaq 100 e-minis were up 34.25 points, or 0.29%. Gilead Sciences Inc slipped 1.3% as a World Health Organization study concluded its COVID-19 drug remdesivir does not help patients who have been admitted to hospital. Gilead has questioned the findings of the study.

Boeing Co rose 3.3% as a report said Europe's aviation regulator had declared the U.S. planemaker's 737 MAX safe to fly again.