The Twitter app is seen on an iPhone on December 1, 2017. Photo: Jaap Arriens/NurPhoto via Getty Images

Twitter is globally rolling out a button for bookmarking tweets, the company said on Wednesday. Tweets that are bookmarked with the new tool will be kept private, presumably to provide users with more privacy around their interests instead of having to publicly explain why they've bookmarked a particular tweet.

Why it matters: This is part of an ongoing evolution of Twitter's product. For years, many used its somewhat-ambiguous, star-shaped "favorite" button to bookmark tweets, but the company's switch to a heart-shaped "like" button in 2015 has complicated the meaning.

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Mergers and acquisitions make a comeback

Illustration: Sarah Grillo/Axios

A slew of high-profile headlines led by Microsoft's expected acquisition of social media video app TikTok helped bring the Nasdaq to another record high on Monday.

Why it matters: The mergers-and-acquisitions market looks like it's bouncing back, joining the revived credit and equity markets as well as the market for new public companies through IPOs and special purpose acquisition companies (SPACs).

U.S. Chamber of Commerce warns of racial inequality for small businesses

Illustration: Aïda Amer/Axios

Attitudes and beliefs about racial inequality are changing quickly as protests and media attention have helped highlight the gaps in opportunity between white- and minority-owned businesses in the United States.

Driving the news: A new survey from the U.S. Chamber of Commerce and MetLife provided early to Axios shows a 17-point increase in the number of small business owners who say minority-owned small businesses face more challenges than non-minority-owned ones.

BP's in the red, slashing its dividend and vowing a greener future

Photo: Ben Stansall/AFP via Getty Images

BP posted a $6.7 billion second-quarter loss and cut its dividend in half Tuesday while unveiling accelerated steps to transition its portfolio toward low-carbon sources.

Why it matters: The announcement adds new targets and details to its February vow to become a "net-zero" emissions company by mid-century.