The market is huffing and puffing to the 2019 finish line, but there are still more than a few turns in this race. Between earnings reports, a new theme park attraction, and one of Wall Street’s more impressive winning streaks on the line, this won’t just be a month of glossing over Thanksgiving leftovers.

Slack Technologies (NYSE:WORK), Disney (NYSE:DIS), Costco (NASDAQ:COST), and Sirius XM Holdings (NASDAQ:SIRI) are some of the companies that will be making headlines this month. Let’s go over why these are some of the stocks to watch in December.

Slack Technologies: Dec. 4

One of this year’s more volatile IPOs is Slack Technologies. The provider of collaborative cloud-based tools for companies and organizations was a hot debutante six months ago when it went public at $26, getting as high as $42 on its first day of trading. The shares would go on to surrender all of those initial gains — and then some. Slack stock enters this month at $22.82, one of the many surprising broken IPOs of the class of 2019.

Slack has come undone largely on concerns that Microsoft (NASDAQ:MSFT) is eating into its potential. Microsoft’s functionally similar Teams platform is growing quickly as a chat-based workspace component of Office 365. Microsoft has more than 20 million daily active users leaning on Microsoft Teams, topping Slack earlier this year. Slack bulls argue that their platform offers stronger engagement metrics, and on Wednesday we’ll see how the company is faring against Microsoft when it reports its fiscal third-quarter results shortly after the market close.

Disney: Dec. 5

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