Market Midday: Stocks Fall, Bond Yields Surge, Meta Trial Begins • 8/18/26

CNBC business news update. Major averages all in the red this afternoon. I'm Jessica Edinger.Bond yields are higher. Oil is higher. No end in sight for the US Iran war.The Dow off its earlier low. It is only down 78 points, being led lower by shares of Caterpillar, which are down almost 5%. The S&P 500 index down 40 points.That's a half percent. The NASDAQ down 291 points, 1% chipmaker shares lower this afternoon. >> It is very much a yields story backing up really everywhere.Uh here, Germany, uh Japan, as ...