If you selected 100 companies in 1929 to invest in, how many of those companies would even still exist today? If only 5 percent or so of those companies still

If you selected 100 companies in 1929 to invest in, how many of those companies would even still exist today? If only 5 percent or so of those companies still exist (optimistic percent), it would mean you lost most of your money in 95 percent of your original investment if you just bought and held.