US STOCKS-S&P, Dow futures ease on J&J vaccine worries; bank, tech stocks shine

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* Apple (AAPL) gains ahead of expected new iPhone launch

* Amazon (AMZN) rises as two-day 'Prime' shopping event gets underway

* JPMorgan (JPM), Citigroup (C), BlackRock (BLK) rise after results

* Disney (DIS) jumps as it turns around its media business

* Futures: Dow down 0.38%, S&P dips 0.06%, Nasdaq up 0.96% (Adds comment, details; Updates prices)

By Medha Singh

Oct 13 (Reuters) - Futures tied to the Dow and the S&P 500 dipped on Tuesday as investors waited for more information from Johnson & Johnson (JNJ) after it paused its COVID-19 vaccine trials, although upbeat quarterly reports from some of the big U.S. banks capped losses.

Johnson & Johnson (JNJ) raised its annual profit forecast, but its shares still dropped 1.2% in premarket trading as an unexplained illness in its COVID-19 vaccine study participant caused it to suspend clinical trials, delaying high-profile efforts to contain the global pandemic.

"It reminds those betting on a vaccine that it's probably not as clear cut that it's just on the horizon as the administration makes it to be," said Rick Meckler, a partner at Cherry Lane Investments, a family investment office in New Vernon, New Jersey.

A rally in technology heavyweights and hopes of more U.S. fiscal stimulus led Wall Street's main indexes higher on Monday, putting the benchmark S&P 500 and the tech-heavy Nasdaq within striking distance of their record highs hit in September.

Apple Inc (AAPL) rose 1.6% ahead of a virtual event later in the day where it is widely expected to unveil four new iPhones.

Shares of Amazon.com Inc (AMZN), which have already surged 86% this year, added another 1.3% as it began 48 hours of promotions as part of "Prime Day" in an early start to the holiday shopping season.

Bank stocks, on the other hand, have widely underperformed the broader market in 2020 and analysts expect the sector's earnings to take years to make a full recovery as interest rates remain near record lows.

JPMorgan Chase & Co (JPM) rose 1.8% and Citigroup (C) gained 2.4% as both lenders surpassed analyst estimates for third-quarter profit, setting an upbeat tone for the quarterly performance of big U.S. lenders scheduled to report this week.

Overall, analysts expect third-quarter earnings for S&P 500 firms to slide 20.7% from a year earlier, smaller than a 31% tumble in the prior quarter.

At 8:19 a.m. ET, Dow e-minis were down 109 points, or 0.38%, S&P 500 e-minis were down 2.25 points, or 0.06%, and Nasdaq 100 e-minis were up 116.5 points, or 0.96%.

Walt Disney Co (DIS) jumped 4.2% as it restructured its media and entertainment businesses to accelerate growth of Disney+ and other streaming services.

The world's largest asset manager BlackRock Inc (BLK) rose 4.1% after reporting better than expected quarterly profit as the recovery rally in global financial markets boosted asset values and pulled in more investor funds. (Reporting by Medha Singh in Bengaluru; Editing by Shounak Dasgupta)

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