The stock market wavered to start the day on Wednesday as Wall Street held its collective breath as key updates from Big Tech firms and the Federal Reserve loomed. The Dow Jones Industrial Average was up 20 points,

The Nasdaq Composite has erased early gains as losses for shares of Microsoft Corp. and Nvidia Corp. accelerated, weighing on the broader index. Microsoft shares were down more than 6% earlier, while Nvidia was down nearly 4%,