In the biggest order by a US carrier for wide-body jets, United Airlines Holdings Inc. said it would buy 100 of Boeing Co.'s 787 Dreamliners with options to purchase an additional 100.

On Tuesday, shares of Moderna Inc. and Merck & Co. rose after the two companies said a potential mRNA vaccine they are developing helped reduce deaths in melanoma patients.

In a week when Tesla's CEO lost his title as the world's wealthiest man on Bloomberg's ranking, Elon Musk unloaded more than $3.5 billion worth of shares over three days, a regulatory disclosure revealed Wednesday.

On Monday, shares of Oracle Corp. climbed as much as 4% after the software company posted second-quarter revenue nearly $200 million above its own guidance.

On Monday, US tech giant Microsoft agreed to take 4% ownership of the London Stock Exchange Group and shift the exchange's financial data platform onto the tech giant's cloud computing platform.

Chipmaker Broadcom Inc. reported solid fiscal fourth-quarter earnings, with EPS of $10.45 coming in better than Wall Street estimates of $10.28, indicating that demand from the data center industry and corporate customers remain strong.

Shares of Carvana drastically plunged on Wednesday following news that the online car retailer signed an agreement with its largest creditors to act together in negotiations with the company.

On Wednesday, meme stock GameStop reported its steepest quarterly drop in revenue, missing Wall Street projections as the gaming retailer continues efforts to boost digital purchases and turn its business around.

Chief Executive Tim Cook of Apple Inc. said Tuesday that the company would build chips again in the US after a nearly decade-long hiatus, a critical step in reducing its reliance on Asia-based manufacturing.

As China continues to grapple with the impact of on-and-off recurrences of COVID-19, Tesla Inc. is offering further incentives to the country's customers who buy and take delivery of new cars this month.

In the latest leadership shakeup, the cloud-based software-provider Salesforce.com announced the departure of Slack founder and CEO Stewart Butterfield, effective 31 January.

Ending a more than year-long break, Warner Bros. discovery and Amazon announced that HBO Max is once again available on Prime Video Channels in the US.

Ford Motor seems to maintain its electric-vehicle momentum after saying Friday it achieved CEO Jim Farley's goal of becoming the second best-selling automaker of electric vehicles in the US.

As companies continue their battle with supply chain disruption more than two years into the pandemic, it has become clear that a dollar today will not buy the same value of goods we bought in a grocery store pre-COVID.‍One way to avoid this is to hedge against inflation.

Both seasoned and new investors are taking advantage of options trading because it allows them to speculate on the future direction of the overall stock market or individual securities, like stocks or bonds.