The placid surface of an equity market that’s treaded water for months is masking dramatic swings underneath, as stock moves whipsaw traders and threaten more turbulence ahead https://t.co/x3nQdsKG6v ...

Investors are once again preparing for big earnings-day stock moves, paying up to speculate in a market that’s faltering after it reached a record high. https://t.co/bbXVFqudPH ...