Gas and oil prices soar and shares tumble as crucial shipping lane threatened BBCDow drops 400 points as oil surges, bond yields climb in response to deepening Iran conflict: Live updates CNBCVolatility Is Surging. Here’s the Level It Becomes a Buy Signal for Stocks. Barron’sDow sinks 600 points as Wall Street fears a prolonged war with Iran CNNOil surges, stocks plunge as fears of prolonged Iran war hit markets NBC News