Comcast's wireless flirtation is being closely scrutinized by spending-cautious investors

Investors and analysts are concerned about the level of capital spending potentially involved with Comcast's (NASDAQ: CMCSA) entry into the wireless business, according to MoffettNathanson analyst Craig Moffett.

With the MSO indicating this week that it plans to participate in the FCC's upcoming spectrum auction, Moffett said one reason Comcast stock is down 13 percent over the last three months is investor cautiousness about potentially elevated capital spending. 

Moffett told The Wall Street Journal that a frequent question from investors is whether such spending could disrupt Comcast's share buybacks and dividends. You can read the full WSJ story here.

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