Berkshire Hathaway earnings preview, & how long can Big Tech keep powering markets?

Hello and welcome to Market Domination. I'm Josh Lipton live from our New York headquarters. Markets getting a boost here following big tech earnings.Amazon continuing to rip. We'll have more on that. But right now, there's under an hour to go until the closing bell and stocks are high.Let's take a look at the popular averages. Dow's up about 150 points. S&P 500, your broad gauge is up about 6/10 of a percent and your tech heavy NASDAQ up about 1%.Let's welcome in now senior reporter Enz Fer. Enz, break dow ...