Hinge Health, a 10-year-old digital health company, is poised to kick off its IPO roadshow at a time when fellow upstarts are delaying plans to go public.

Humans learn by breaking through and plateauing, persisting and resting, and, occasionally, experiencing the blissful flow state. Mastering a skill can take decades, but the learning process unfolds ...

This is the minimum amount which is required to buy "x" number of lots of a particular commodity to trade in futures market.