In this segment from Monday's MarketFoolery podcast, host Chris Hill and Motley Fool analysts Jason Moser and David Hanson take a deep Foolish look at the biggest investing stories of the day.

The Dow reached a landmark new all-time high today, 16,000. But is this really a significant event for investors? Do these new highs signify an imminent market correction? In this segment, our analysts look at the media's reaction to the Dow at 16,000 and recall its similarity to the reaction to the Dow hitting 15,000. They also distill what investors should take away from the noise-filled headlines.

Then, shares of Sony are up today after the company sold more than 1 million PlayStation 4 consoles in the first day they went on sale. The company is aiming for 5 million sold by March, and the market seems optimistic that at this rate it will exceed its target. But will the debut of the newest generation of Xbox derail PlayStation sales? Chris, Jason, and David discuss Sony's business historically compared to today, and how badly the company needs a strong win here.

And finally, now that The Washington Post Company has divested itself of its namesake, money-losing newspaper, it has officially announced that it will be changing its name to Graham Holdings. Our Foolish analysts look at what makes up Graham Holdings, the company's leadership, and why this may be an interesting play for investors.

Chris Hill has no position in any stocks mentioned. David Hanson owns shares of Markel. Jason Moser owns shares of Berkshire Hathaway. The Motley Fool recommends and owns shares of Berkshire Hathaway and Markel. It also owns shares of Microsoft. Try any of our Foolish newsletter services free for 30 days. We Fools may not all hold the same opinions, but we all believe that considering a diverse range of insights makes us better investors. The Motley Fool has a disclosure policy.