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NEW YORK (AP) -- The Dow Jones Industrial Average climbed above 27,000 for the first time ever Thursday. The S&P 500 also hit a closing high milestone of its own Thursday, a day after its first move above 3,000.Steep losses in drugmakers and real estate companies were offset by gains for banks and technology companies.Nvidia climbed 3.9% and Goldman Sachs rose 2.6%.Pharmaceutical makers dropped after the White House scrapped a plan to overhaul a system of rebates those companies pay to insurers and distributors.Bond yields spiked following weak demand at an auction for 30-year Treasurys.The S&P 500 rose 6 points, or 0.2%, to 2,999.The Dow rose 227 points, or 0.8%, to 27,088. The Nasdaq fell 6 points, or 0.1%, to 8,196. 744

New research confirms that temperature and symptom checks miss many coronavirus infections. A study published Wednesday found that these measures failed to detect infections in new Marine recruits before they started training, even after several weeks of quarantine. Many recruits had no symptoms yet still spread the virus. The work has implications for colleges, prisons, meatpacking plants and and other places that rely on symptom screening. Doctors say more COVID-19 testing is needed, especially in younger people who often don't develop symptoms.“We spent a lot of time putting measures like that in place and they’re probably not worth the time as we had hoped,” said Jodie Guest, a public health researcher at Atlanta’s Emory University who had no role in the research.“Routine testing seems to be better in this age group” because younger adults often have no symptoms, she said.The study was led by researchers from the Icahn School of Medicine at Mount Sinai in New York and the Naval Medical Research Center.It involved 1,848 Marine recruits, about 90% of them men, who were told to isolate themselves for two weeks at home, then in a supervised military quarantine at a closed college campus, The Citadel in Charleston, South Carolina, for two more weeks. That included having a single roommate, wearing masks, keeping at least 6 feet apart and doing most training outdoors. They also had daily fever and symptom checks.The recruits were tested for coronavirus when they arrived for the military quarantine and 7 and 14 days afterward. Sixteen, or about 1%, tested positive on arrival and only one had any symptoms. Another 35 -- an additional 2% -- tested positive during the two-week military quarantine and only four had symptoms.Only recruits who tested negative at the end of both quarantine periods were allowed to go on to Parris Island for basic training.Genetic testing revealed six separate clusters of cases among the recruits.A separate study published Wednesday in the New England journal reports on an outbreak last spring on the aircraft carrier USS Theodore Roosevelt. Among the crew of 4,779, mostly young people, 1,271 became infected; 77% did not show symptoms when diagnosed and 55% never developed any.The case shows that “young, healthy persons can contribute to community spread of infection, often silently,” Dr. Nelson Michael of the Walter Reed Army Institute of Research wrote in a commentary. 2442

New indicators, including satellite images, show that North Korea could be in the midst of building new missiles, the Washington Post reported Monday, citing officials familiar with the intelligence.According to The Post, the officials said the new information reveals that work is potentially taking place on one or two liquid-fueled intercontinental ballistic missiles in Sanumdong, a suburb of Pyongyang.Liquid-fueled rockets are harder to store and move than solid-fuel rockets because the fuel is more volatile, according to experts. The volatility of liquid fuel can cause missiles to fail in launch and the fuel has to be stored separate from the missiles, causing a decrease in military readiness. Liquid fueling can also take a fairly long time to complete, giving US spy satellites a period of time to see launch preparations underway. Solid-fueled missiles can be very quickly launched giving the US very limited warningThe National Security Council declined to comment when reached by CNN.News that the North Koreans are potentially developing new weapons would be a heavy blow to President Donald Trump's efforts at diplomacy with North Korean dictator Kim Jong Un.Pyongyang has appeared open to discussions surrounding its status as a nuclear state following meetings with both South Korea and the United States. Trump traveled to Singapore in June for a summit with Kim and, following the meeting, Trump announced that North Korea no longer posed a nuclear threat -- despite a lack of evidence proving that the North Koreans would cease to continue its nuclear program."Just landed - a long trip, but everybody can now feel much safer than the day I took office," Trump tweeted at the time. "There is no longer a Nuclear Threat from North Korea."Last Tuesday, Trump said new images signaled that North Korea was beginning to dismantle "a key missile site.""New images just today show that North Korea has begun the process of dismantling a key missile site, and we appreciate that," Trump said, an apparent reference to images of the Sohae Satellite Launching Station published Monday by the prominent monitoring group 38 North.The images were taken between July 20 and July 22, and show North Korea has indeed started to dismantle key facilities at the satellite launch station, a move analysts said represents "an important first step towards fulfilling a commitment" made by Kim during his summit with Trump.However, CNN also reported?last week that, according to an official with close knowledge of North Korea's position on the matter, continued negotiations between the United States and North Korea hinge on Washington's willingness to make a "bold move" and agree to a peace treaty with Pyongyang.The source previously told CNN that if a peace treaty to replace the armistice agreement that ended the Korean War did not ensure the survival of the current North Korean regime, it could be the end of denuclearization talks.The intelligence community has publicly stated that it has seen signs of continued activity, including at fuel plants.Appearing before the Senate Foreign Relation Committee last week, Secretary of State Mike Pompeo acknowledged that North Korean factories "continue to produce fissile material" used in making nuclear weapons.Pompeo also told the committee that moving toward concrete denuclearization is "a process," adding that it "will definitely take time."The commander of US Forces Korea, General Vincent Brooks, said at the recent Aspen Security Forum that North Korea's "production capability is still intact."So we haven't seen a complete shutdown of production yet. We have not seen the removal of fuel rods. These types of things tell us that there are steps that still must be taken on the road to denuclearization," Brooks said.Brooks also recently confirmed that North Korea's nuclear production capability was still intact. 3916

NEW YORK (AP) — Video app TikTok said it would wage a legal fight against the Trump Administration's efforts to ban the popular, Chinese-owned service over national-security concerns.TikTok, which is owned by China's ByteDance, insisted that it is not a national-security threat and that the government is acting without evidence or due process.On Monday, the company said it would file suit against the government later Monday in federal court in California."Now is the time for us to act," the company said in a press release. "We do not take suing the government lightly; however, we feel we have no choice but to take action to protect our rights and the rights of our community and employees."A copy of the complaint could not be immediately obtained.President Donald Trump issued an executive order in August that imposed a sweeping but unspecified ban on any "transaction" with ByteDance, to take effect in mid-September.In recent weeks, the Chinese-owned app was in talks with Microsoft to purchase them, but with the lawsuit, TikTok switched gears is now going on the offensive. 1095

North Korea is willing to hold talks with the United States, South Korean President Moon Jae-In said in a statement Sunday.The South Korean leader said he'd met with the North Korean delegation in Pyeongchang before the closing ceremony of the Winter Olympic Games, and told them that North Korea-US talks should happen "as soon as possible."Moon said the North Koreans indicated they were willing to talk with the US, and agreed that "the inter-Korean relationship and North Korea-US relationship should develop together."  537