The following video is from Wednesday's Market Foolery podcast, in which host Chris Hill, along with analysts Joe Magyer and Bryan Hinmon, discusses the top business and investing stories.

In today's edition, the guys discuss Berkshire Hathaway's (NYSE:BRK-A) (NYSE:BRK-B) big share buyback that drove share prices up, and why they think the stock is still a buy. Also, Facebook (NASDAQ:FB) has joined the Nasdaq 100, and we hear why joining an index isn't automatically a good thing for a company. Costco (NASDAQ:COST) had another fantastic quarter, and we hear how that may already be priced into the company's fairly pricey multiple, which is why it wasn't a needle-mover for shares.

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Chris Hill has no positions in the stocks mentioned above. Joe Magyer and Bryan Hinmon own shares of Berkshire Hathaway. The Motley Fool owns shares of Berkshire Hathaway, Costco Wholesale, and Facebook and has the following options: long JAN 2014 $20.00 calls on Facebook. Motley Fool newsletter services recommend Berkshire Hathaway, Costco Wholesale, and Facebook. 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.