NEW YORK (TheStreet) -- Shares of The Rubicon Project (RUBI) - Get Report are spiking by 16.17% to $15.88 on heavy trading volume in late afternoon trading on Wednesday, after the company posted its 2015 fourth quarter results.

After yesterday's closing bell, the Los Angeles-based online advertising technology firm reported earnings of 72 cents per share, topping analysts' expectations for earnings of 33 cents per share.

Revenue for the period was $94 million, which also surpassed analysts' estimates of $78 million.

"2015 was marked by several milestones for Rubicon Project as we drove more than one billion dollars in managed revenue and grew our consumer reach, connecting approximately one billion people globally," CEO and Founder Frank Addante said in a statement.

For the first quarter, the company expects revenue between $64 million and $68 million. Analysts' are looking for revenue of $60.6 million for the period.

The Rubicon Project focuses on automating the buying and selling of advertising.

About 2.74 million of the company's shares were traded by this afternoon, much higher than its average volume of 349,391 shares per day.

Separately, TheStreet Ratings Team has a "Hold" rating with a score of C on the stock.

The primary factors that have impacted the rating are mixed - some indicating strength, some showing weaknesses, with little evidence to justify the expectation of either a positive or negative performance for this stock relative to most other stocks.

The company's strengths can be seen in multiple areas, such as its robust revenue growth, largely solid financial position with reasonable debt levels by most measures and impressive record of earnings per share growth.

As a counter to these strengths, the team also finds weaknesses including weak operating cash flow and a generally disappointing performance in the stock itself.

Recently, TheStreet Ratings objectively rated this stock according to its "risk-adjusted" total return prospect over a 12-month investment horizon. Not based on the news in any given day, the rating may differ from Jim Cramer's view or that of this articles's author.

You can view the full analysis from the report here: RUBI

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