Slack primed as latest unicorn to make market debut

The 2019 parade of big new Wall Street entrants continues this week with the debut of Slack Technologies, underscoring investor hunger for new companies in spite of some high-profile stumbles.

Europe wary as Facebook takes up cryptocurrency challenge

European financial leaders on Tuesday vowed vigilance after Facebook announced it was diving into the cryptocurrency market, as analysts warned the social media giant could face major regulatory questions.