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* Britain, EU reach Brexit deal, awaits parliament approval
* Netflix jumps on better-than-expected subscriber adds
* Morgan Stanley caps big bank earnings with profit beat
* IBM falls after revenue miss, weighs on Dow
* Indexes up: Dow 0.08%, S&P 500 0.28%, Nasdaq 0.34% (Updates to late afternoon, changes dateline, byline)
By Stephen Culp
NEW YORK, Oct 17 (Reuters) - Wall Street gained ground on Thursday as positive geopolitical developments and a string of corporate earnings beats put investors in a buying mood.
A moderate but broad-based rally sent all three major U.S. indexes into the black.
Britain and the European Union agreed to a severance deal, potentially wrapping up three years of uncertainties after Britons voted to leave the bloc. A parliamentary thumbs-up is still needed to seal the deal.
Positive statements from Beijing and Washington raised hopes that a phased agreement could be reached to resolve the market-rattling trade war between the world's two largest economies.
"Earnings are shorter-term, it's what happened last quarter and expectations for next quarter," said Paul Nolte, portfolio manager at Kingsview Asset Management in Chicago. "Brexit and trade have a much longer runway. If we solve those, you're talking about multiple years of better growth."
Analysts currently see third-quarter S&P 500 earnings dropping by 2.9%, according to Refinitiv I/B/E/S, marking the first contraction since the earnings recession that ended mid-2016.
But of the 63 companies in the S&P 500 that have reported so far, 82.5% have come in above estimates.
"Earnings have been above expectations," Nolte added. "(But) a millipede could get over those expectations, the bar has been set so low."
Morgan Stanley rounded out big bank earnings with better-than-expected third-quarter profits, driven by bond trading and M&A advisory strength, sending its shares up 1.9%.
Streaming bellwether Netflix Inc advanced 3.5% after the company reported a rebound in subscribers in the third quarter.
The Dow Jones Industrial Average rose 21.86 points, or 0.08%, to 27,023.84, the S&P 500 gained 8.24 points, or 0.28%, to 2,997.93 and the Nasdaq Composite added 27.75 points, or 0.34%, to 8,151.93.
Of the 11 major sectors in the S&P 500, all but technology and energy were trading in the black, with healthcare, real estate and industrials enjoying the largest percentage gains.
Among other earnings news, shares of International Business Machines Corp were the biggest drag on the blue-chip Dow, sinking 5.6% after missing quarterly revenue estimates due to weakness in its global technology services unit.
Union Pacific Corp missed third-quarter consensus estimates as lower crude oil shipments hurt the railroad operator's bottom line. Still, its operating ratio, a measure of efficiency and profitability, improved year-on-year, and its stock was last up 0.7%.
Union Pacific rival CSX Corp rose 2.6% after beating profit expectations.
Honeywell International Inc's quarterly results fell short of analyst expectations as its customers curbed spending in the face of geopolitical uncertainties, including Brexit and trade. Positive developments on those fronts helped the stock gain 2.8%.
On the economic front, a spate of underwhelming data supported the notion that the longest period of expansion is U.S. history could be running out of steam. Housing starts, industrial production and mid-Atlantic factory output all fell short of economist expectations.
Advancing issues outnumbered declining ones on the NYSE by a 1.98-to-1 ratio; on Nasdaq, a 1.92-to-1 ratio favored advancers.
The S&P 500 posted 34 new 52-week highs and two new lows; the Nasdaq Composite recorded 50 new highs and 50 new lows. (Reporting by Stephen Culp; Editing by Cynthia Osterman)