One of the wildest runs in U.S. stock-market history began with the collapse of arcane bets on volatility and ended with a sober realization: The easy ride is over. After heart-stopping swings in the Dow (Down 1,000 points! Up 500 Continue reading →
They’ve faced threats before: swollen valuations, a stagnating economy, stretches of declining earnings. Now investors are dealing with a new menace, and it’s wreaking more havoc than anything in two years.