One year old article - I thought it still relevant today - perhaps even more so considering new stock market highs and increasing public rhetoric concerning the public good so manifested.
“ ‘Most households had less than $5,000 in total holdings in 2016, the most recent year analyzed... Despite the slow recovery in housing prices, the wealth of middle-class Americans is still concentrated in their homes, which remain their single most valuable asset. For 9 out of 10 households, even a shift in value of 10 percent — enough to qualify as a “market correction” — would “at most, have a 1 or 2 percent impact on their wealth holdings ...’ ““Roughly half of all households don’t have a cent invested in stocks, whether through a 401(k) account or shares in General Electric. That leaves half the population with some exposure to financial market whims, but as Mr. Boshara said, ‘some exposure can be 100 bucks.’ “https://www.nytimes.com/2018/02/08/business/economy/stocks-economy.html