Shares of Pubmatic (NASDAQ: PUBM), a supply-side adtech stock, were moving lower today after the company reported missed top-line estimates in its fourth-quarter earnings report and offered weak guidance for the current period.

As of 10:20 a.m. ET, the stock is down 5.3% on the news.

Pubmatic, which helps online publishers optimize their ad inventories, said that revenue in the quarter fell 2% to $74.3 million, trending with other digital ad businesses that have also reported stiff headwinds. That result missed analyst expectations at $76.7 million.

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Source Fool.com