There are already people and companies lowballing offers, with Redfin and other algorithmic players joining the game, it actually increases prices and improves the liquidity of home ownership.
Lyft and Uber are disproportionately impacted by coronavirus news, and the remdesivir drug trial seems to have been a success, so Lyft and Uber are up more than the rest of the market.
That last point is simply working software _over_ documentation, meaning that in a world of finite resources what would you rather have? A pile of requirements and technical design docs _or_ a working product? All teams need to determine the right amount of documentation that maximizes total output of working software, but agility was--in part--a response to analysis paralysis and high overhead of many software implementations of the time.