A growing number of companies has nixed earnings guidance amid the coronavirus pandemic, and some in the corporate world say they should be dropped permanently.

Stocks rose slightly on Monday to start the week, as the advance in the biggest U.S. technology shares lifted the market higher.

"My own sense is the Fed went too far in going into the high-yield market," the Allianz economic advisor told CNBC on Monday. "You get people who shouldn't be borrowing raising money."

The momentum in the biggest U.S. technology shares supported the broader market.

As airline stocks tumble, investors in the U.S. Global Jets ETF (JETS) seem to betting on a further bailout for the group, says market researcher Dave Nadig.

Warren Buffett has exited the airlines, but one trader says there could be pockets of opportunity elsewhere in the travel space.

Copper cools off. Is the red metal showing cracks? With CNBC's Seema Mody and the Futures Now traders, Brian Stutland from the CME and Anthony Grisanti at the NYMEX.

The "Futures Now" team, Scott Nations and Jim Iuorio, discuss the wild day for crude oil after Trump denied Iran's claim U.S. offered to remove sanctions with CNBC"s Rahel Solomon.

United Airlines had reported a first-quarter pretax loss earlier this month.

Apple has continuously hosted one of the largest cash piles among U.S. companies, but is facing pressure from the Covid-19 pandemic.

Apple did not issue guidance for the quarter ending in June, as it usually does. The company withdrew guidance for its second-quarter in February as the Covid-19 coronavirus spread in China.

The Covid-19 outbreak cut deeply into GM's performance, costing the largest U.S. automaker $1.4 billion before taxes during the first three months.

Consumers stocked up on board games, not Barbie dolls, amid the coronavirus pandemic, sending Mattel's sales in the first quarter tumbling.

Torbjorn Wist, CFO of SAS, discusses the airline's position in the coronavirus crisis and its seeking of state aid to support the company through the pandemic.

Dan Kemp, CIO of Morningstar Investment Management EMEA, discusses the U.K. economy.

Apple has ventured into the market for mobile payments with Apple Pay, but Google's latest deal with wireless carriers could give it more of an edge.

CNBC's Dominic Chu and PCMag.com Editor-in-Chief Dan Costa talk about the possible impact on Google if its search deal with Apple ends.

CNBC's Dominic Chu and RBC Capital Markets analyst Amit Daryanani discuss concerns that the production of Apple's 12.9-inch iPad will be delayed.

CNBC's Morgan Brennan and Tom's Guide Reviews Editor Mike Prospero discuss some of the challenges Apple Watch could face in the wearable device market.

CNBC's Dominic Chu and Manhattan Venture Partners Chief Economist Max Wolff discuss why Apple is giving the public access to a test version of its iOS 8.3.

CNBC's Morgan Brennan and Piper Jaffray Senior Research Analyst Gene Munster discuss Apple's next possible moves following expectations of an online television service from tech giant.

CNBC's Morgan Brennan and RBC Capital Markets Analyst Amit Daryanani talk about expectations from Apple now that it's a member of the Dow.

Mark Jolley of CCB International Securities says the rally in the markets is short-lived as central bank support cannot prevent a decline in first-quarter earnings.

Eric Robertsen from Standard Chartered says it is hard to imagine oil and energy demand improving, so the U.S. shale industry needs explicit policy support to get back on track.

Fadi Arbid, CIO at Amwal Capital Partners, said he believes oil output cuts will go a long way in addressing oil volatility but the major issue plaguing prices is the coronavirus hit on demand.

Esben Poulsson from the International Chamber of Shipping gives "Capital Connection" an update on how the industry is still fighting for government action amid the coronavirus crisis.

Central banks around the world have injected huge amounts of money in the economy, while investors are hoping that lockdown measures can be eased quickly and smoothly without further outbreaks of the coronavirus, says Cedric Chehab of Fitch Solutions.

Keeping up with all the recent twists and turns in the oil market is difficult. Here's where things stand as what could be a pivotal week gets underway.

The short-term pain of job losses, furloughed and unemployed workers in food bank lines miles long, may lead to worse long-term effects: a deep, permanent dent on America's competitiveness.

We do not know how long investors will be patient, how long markets will rise on the policy response, how low the economic numbers will fall and for how long.

The vast majority of Apple's stores outside of China have been closed since March in response to the Covid-19 pandemic. In recent weeks, a few locations have reopened in countries such as South Korea, Australia and Germany.

The countdown to Apple earnings is on, and one options trader is betting on a big post-earnings bounce for the tech giant.

Earnings take away from Apple's momentum. With CNBC's Melissa Lee and the Options Action Traders, Carter Worth, Mike Khouw and Tony Zhang.

Moderna has received FDA approval for the company's Covid-19 vaccine to continue into the second phase. CNBC's Meg Tirrell reports.

Experts warn that vaccine timelines look ambitious and argue more thought is needed on manufacturing.

The NHS app is based on the government's "centralized" framework instead of the tech giant's "decentralized" technology.

The streaming service pulled the episode hours after CNBC brought it to the company's attention, but Apple is yet to pull the same podcast.

The NHS's digital innovation arm is paying Zuhlke Engineering £3.8 million to investigate the "decentralized" framework developed by Apple and Google.

Ian Bremmer, founder of Eurasia Group, says China is getting more powerful and not aligning with the West. This will lead to separate systems like two separate Internets.

Check out the companies making headlines after the bell.

Signs that Americans are driving more are helping lift oil prices, but analysts say a 60% jump in prices in just a week may be too much.

The unilateral repudiation of the multilateral agreement with Iran and the threat by the US to impose sanctions of countries that continue to do business with Iran carries a much broader threat to the Euro and Euro pairs.

The breakout in the U.S. dollar appears to have slowed. Technical features suggest, however, that it is easy for the dollar to develop more upside, Daryl Guppy writes.

Apple will reopen some of its stores in Idaho, South Carolina, Alabama and Alaska. CNBC's Josh Lipton reports on safety measures the company will be taking.

Andy Callahan, Hostess Brands CEO, joins "Closing Bell" to discuss the company's earnings.

Three financial advisors share how they have helped clients apply for emergency funding through the Paycheck Protection Program, and sought aid for their practices.

Kroger chairman and CEO Rodney McCullen joins "Squawk on the Street" to discuss reopening the economy, keeping store shelves stocked and more.

SAP and Deutsche Telekom are working on a contact tracing app to track infections in Germany. Christian Klein, SAP CEO, joins 'Closing Bell' to discuss the app, privacy concerns, the change in the company's executive leadership and the plan for recovery.

Beyond Meat CEO Ethan Brown said the meat industry is "reaching a tipping point" and the plant-based meat producer sees a chance to win over new consumers.

Footwear company Allbirds announced this week it has returned its Paycheck Protection Program small business loan. Joey Zwillinger, Allbirds co-founder and co-CEO, joins "Squawk Box" to discuss.