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Apple and Twitter were rising Wednesday afternoon.

Leaked details of the GOP tax reform plan shows big tax cuts for companies and individuals. The Republicans hope the tax cuts will free up cash flow for companies to hire workers and Americans to spend money and stimulate the economy. The tax reform plan will be unveiled in Indianapolis. Nike shares were weighed down after their latest quarterly report. The takeaway is that sales are flat in North America but booming in China. It's a victim of the sluggish retail environment. Nike recently announced an agreement with Amazon to sell its products on that site and the CEO says to expect more digital initiatives. Twitter will begin testing a new limit of 280 characters, double its current limit. The new, longer limit is just being used by a limited number of users and Twitter says it will experiment with this for weeks before making a final decision. Watch More with TheStreet: Jordan Belfort Reveals Why Financial Fraud Is Still at Large Dyson Plans to Build "Radical" All-Electric Car By 2020 Even With Equifax's Breach, Companies Are Taking Cyber Security Seriously How to Make the Most Money Working Overseas

Stocks largely held on to gains after Federal Reserve Chair Janet Yellen said the Fed may have made an error in assessing the labor market and inflation trends, while also keeping the possibility of an interest rate hike in December alive. Carnival Corp. shares increased more than 3% after beating profit and sales estimates for its recent quarter. Net income of $1.83 a share fell a dime from a year earlier. But adjusted earnings of $2.29 a share exceeded expectations by 9 cents. Revenue of $5.52 billion topped estimates of $5.39 billion. CEO Arnold Donald also said operations were back to normal following an earthquake in Mexico and a string of hurricanes in the Caribbean. Axovant Sciences Ltd. stock tumbled more than 70% after the firm said its Phase 3 study of intepirdine in patients in Alzheimer's disease did not achieve its co-primary efficacy endpoints. Axovant CEO David Hung said that the company continues to be committed to advancing its pipeline. Adidas AG shares slumped after U.S. federal prosecutors charged four NCAA basketball coaches and a marketing professional with ties to the sportswear group with corruption. In an FBI criminal complaint filed Monday, the head of global sports marketing for Adidas allegedly bribed high school basketball players for their commitment to Adidas-sponsored universities. James Gatto has been charged with four counts of fraud and money laundering. The U.S. attorney for the Southern District of New York said that the investigation does not involve any other senior executives at Adidas. Watch More with TheStreet: Why Star Trek: Discovery Goes Where None of the Other Franchise Has Gone Before 'The Wolf of Wall Street' Jordan Belfort on Financial Fraud and Bitcoin

The U.S. indices were mostly higher during midday trading on Tuesday as investors await a monetary policy announcement from Federal Reserve Chair Janet Yellen. Tech was leading after Monday's selloff. Nvidia Corp. , in particular, was moving higher after inking a deal to provide chips to some of China's largest cloud-computing companies. Alibaba , Baidu and Tencent are integrating Nvidia chips into its data centers. Red Hat Inc. also contributed to sector gains after a better-than-expected second quarter. Adjusted earnings bested estimates by a dime. Revenue increased nearly 21%. For the third quarter, the open-source software company anticipates revenue of at least $730 million, higher than estimated. Equifax Inc. shares were lower after the credit-reporting company announced that Chairman and CEO Richard Smith will retire. The announcement follows a data breach that compromised the personal information for about 143 million U.S. customers. Paulino do Rego Barros Jr. was named interim CEO while the board conducts a search to find a new permanent CEO. Smith, who had served as CEO since 2005, has agreed to serve as an unpaid adviser to Equifax to assist in the transition.

Wall Street started the week notably lower as political tension with North Korea nears a boiling point. The Dow Jones Industrial Average dipped more than 50 points this afternoon. The S&P 500 fell over 0.3% at one point, while the tech-heavy Nasdaq was weighed down well over 1% as the tech sector suffered Monday. North Korean Foreign Minister Ri Yong Ho told reporters on Monday that the U.S. had "declared war on our country." The official said North Korea also has the right to consider all counter measures. Those could include shooting down United States strategic bombers at any time, even when they are not yet inside the aerospace border of North Korea. Ri's comments come after U.S. warplanes flew near the reclusive country's coastline north of a demilitarized zone between North and South Korea on Saturday. General Electric agreed to sell its industrial solutions unit to ABB Ltd. for $2.6 billion. The Swiss robotics and energy grid conglomerate will pay just under one times the unit's sales and about 12 times the unit's Ebitda earnings. It's GE's first big disposal under new CEO John Flannery, who has promised to cut costs and sell operations in a bid to reverse recent lackluster performance. In other deal news, Genuine Parts agreed to purchase European peer Alliance Automotive Group for $2 billion, including debt. The deal is expected to close in the fourth quarter. It should deliver $2.3 billion in gross annual billings and is predicted to boost profit-per-share by 45 cents in fiscal 2018. Watch More with TheStreet: Jim Cramer Reveals What to Watch in Nike and Micron's Earnings Is the iPhone 8 More Fragile Than the Samsung Note 8? Kevin O'Leary: Women-Run Companies Make Me More Money Under Armour Has a Lot to Prove With the Upcoming Curry 4 Basketball Sneaker

Wall Street kicked off the week with a slow start as stocks fell on renewed geopolitical concerns. The Dow Jones Industrial Average dipped more than 50 points this morning. The S&P 500 fell over 0.3% at one point, while the tech-heavy Nasdaq was weighed down close to 1% by Apple. Apple's Monday move hurt the entire tech sector, where reports of sluggish demand for the new iPhone TEN hit suppliers hard. A Digitimes analysis said Apple ordered its suppliers to ship just 40% of planned iPhone TEN production and hold the remainder. The phones are set to ship November 3. Allergan stock gained more than 3% after the company authorized a new share buyback program and promised to pay down $3.75 billion in debt next year. Allergan is set to repurchase $2 billion in stock, which is around 2.9% of current shares outstanding. The move comes as Allergan called its shares "substantially undervalued." D.R. Horton fell slightly after slashing fourth quarter guidance on news recent hurricanes caused delays in its pipeline. The largest U.S. homebuilder anticipates roughly $150 million of cash flow from operations over its fiscal year, down from its previous guidance of $300 million. Its fourth-quarter backlog conversion rate is expected to slip to 85% from a previous target of between 88% to 90%. Watch More with TheStreet: Donald Trump's Tweets Spark NFL Protests 3 New Badass Indian Motorcycles That Will Probably Make Polaris Investors Happy $1,000 for a Men's Fragrance? Domino's Pizza CEO: In 10 Years,Self-Driving Cars Will Deliver Pizza

The S&P 500 and the Nasdaq closed out the day in the green, while the Dow finished down slightly as investors grappled with the tension between the leaders of the U.S. and North Korea, while also keeping an eye on the latest healthcare battle. Tech stocks were lower again, with Apple Inc. falling nearly 1%. Apple was under pressure on reports of weaker sales for its new iPhone 8. Nomura is seeing signs of weakness in preorders of the device as slower promotional activities and the launch of the company's special edition iPhone X potentially cannibalize sales. The weekly reading on drilling activity in the U.S. showed the total oil rig count fall by five to 744, according to Baker Hughes. A week prior, the count fell by seven oil rigs. West Texas Intermediate crude settled at around $50.66 a barrel on Friday. Finish Line Inc. jumped more than 6% after edging out profit estimates in its recent quarter. Earnings of 12 cents a share beat the consensus by a penny. Revenue came in slightly short: Sales dipped 3.2% to $469.4 million, missing expectations by $1.1 million. Comparable-store sales declined 4.5%. The footwear retailer expects fiscal 2018 comparable-store sales to fall between 3% and 5%.

President Donald Trump says North Korea will be tested like never before in a tweet this morning. Overnight, North Korea threatened to test a hydrogen bomb over the Pacific. The threat comes after President Trump announced that China banks will halt doing business with North Korea. Also, Iran is stepping up its missile capabilities and says that it will not seek international permission. Facebook will share the content and related information of the more than 3,000 ads it sold to Russian-linked accounts with Congress. Facebook says it will also make some other changes. It will strengthen its review process of ads and reveal more information about who is behind the advertising. Uber has lost its license to operate in London. Techcrunch says the city regulators say Uber's approach and conduct demonstrate a lack of corporate responsibility in relation to a number of issues. Watch More with TheStreet: Why PayPal Stock Is on Fire Bitcoin Is Garbage Says This $1.2 Billion Money Man Domino's Pizza CEO: In 10 Years,Self-Driving Cars Will Deliver Pizza 5 Insanely Good Fall Travel Deals

The Dow, S&P and Nasdaq fell 0.24%, 0.3%, and 0.52% respectively. Watch More with TheStreet: Domino's Pizza CEO: Self Driving Cars Will Deliver Pizza in 10 Years UCLA & University of Colorado Are Now Top Schools for Educated Potheads Bitcoin Is Garbage Says This $1.2 Billion Money Man Domino's CEO: Artificial Intelligence and Technology Grows Employment

The Dow was down 0.17% while the Nasdaq fell 0.34% Thursday afternoon. Watch More with TheStreet: Jim Cramer Reveals Why He Sold Western Digital for His Charitable Trust 5 of the Worst Recent Cyberattacks Here's Why the S&P 500 Could Be Headed to 2,700 by Year's End 5 Insane McDonald's Meals You Can Only Try Abroad