Omar couldn't believe what was happening. He should have been concentrating on the student he was tutoring in physics — a job he did during his free time while enrolled in a post-baccalaureate pre-med program — but Mo's eyes kept darting back to the Robinhood app open on his phone.  Omar had invested $6,000 in Beyond Meat options; in the days before that tutoring session he'd seen the value of that investment rocket up to almost $15,000. What he was witnessing now, though, felt like torture.  Down $2,000.  Down $3,000.  By lunchtime, the stock options Omar had bought were down around $7,000 from their peak. (full story)