SAN FRANCISCO (TheStreet) – Glu Mobile (GLUU) - Get Glu Mobile Inc. Report plummeted by double digits Thursday, after the mobile game publisher missed analysts' third quarter estimates and provided a weaker-than-expected fourth-quarter forecast. Apple (AAPL) - Get Apple Inc. (AAPL) Report and World Wrestling Entertainment (WWE) - Get World Wrestling Entertainment, Inc. Class A Report also lost ground, while car audio product provider Harman International (HAR) soared.

Glu Mobile dropped 20.3% to $3.61 at the close.

The San Francisco-based publisher of such free-to-play games as the Kim Kardashian app reported earnings of 17 cents a share in the third quarter on revenue of $83.6 million. While the company was able to beat the earnings estimates of 11 cents a share, it fell short of revenue expectations of $85.2 million, according to analysts surveyed by Thomson Reuters. 

But it was largely Glu's forecast that sent investors over the edge. The company said it expects to generate earnings of 1 cent to 3 cents a share on revenue of $60 million to $65 million. In both cases, that comes in lower than what Wall Street was anticipating. Analysts had previously had their eye on earnings of 4 cents a share on revenue of $65.6 million.

Harman International Industries soared 7.5% to $108.87 at the close.

The audio equipment maker posted a strong fiscal first quarter, generating earnings of $1.18 a share on revenue of $1.43 billion. Harman's revenue soared 22 percent in the quarter over the previous year.

For the Stamford, Conn., company, it was "an absolutely blowout quarter," CEO Dinesh Paliwal told TheStreet in an interview.

"The main thing is increased penetration of embedded infotainment and audio in the car," Paliwal said. "We had planned for 3% growth, but our customers, which include BMW, Audi, Chrysler and others, outperformed their automotive peers so we benefited from that."

The company's other audio-related products also did well. Sales of wireless products, such as speakers, headphones and multi-room sound systems were strong in the quarter, with multi-room sound systems up 30% vs. the market, which grew around 5% or 6%.

Investors were also apparently pleased with Harman's announcement to buyback $500 million of its shares over the next three years, in addition to offering investors a 1.5% dividend. "This is another way to return the cash," Paliwal noted. And some market watchers believe Harman shares can go even higher.

Apple shares dipped 0.3% to $106.97 at the close.

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The iconic computer maker's CEO Tim Cook made a number of headlines Thursday, not for unveiling a shinny new Apple device or service, but rather for publicly stating he's "proud to be gay."

In an article he penned for Bloomberg Businessweek, Cook revealed how growing up gay had given him empathy for those who are in a minority class. He also noted how being part of a minority group also aided his growth as a CEO. Cook wrote: 

Being gay has given me a deeper understanding of what it means to be in the minority and provided a window into the challenges that people in other minority groups deal with every day. It’s made me more empathetic, which has led to a richer life. It’s been tough and uncomfortable at times, but it has given me the confidence to be myself, to follow my own path, and to rise above adversity and bigotry. It’s also given me the skin of a rhinoceros, which comes in handy when you’re the CEO of Apple.

While Cook's disclosure was illuminating, it wasn't the likely cause of Apple's shares edging down. IDC today released worldwide tablet sales that showed Apple's market share fell to 22.8% in the third quarter from 29.2% a year earlier.

World Wrestling Entertainment fell 6.1% to end the session at $12.46.

The Stamford, Conn., media company got hit after investors walked away from the stock following its quarterly results. WWE posted a net loss of 1 cent a share on revenue of $120.2 million for the quarter. The sports entertainment company soundly beat analysts expectations for a loss of 17 cents a share, but fell far short of Wall Street's revenue mark of $133.2 million.

Meanwhile, the company announced it would offer new subscribers a free subscription to its WEE Network for the month of November and move to a simple pricing plan of $9.99 a month for access to the network with no contract.

At the time of publication, the author held no positions in any of the stocks mentioned, although positions may change at any time.

This article is commentary by an independent contributor, separate from TheStreet's regular news coverage.

TheStreet Ratings team rates GLU MOBILE INC as a Sell with a ratings score of D. TheStreet Ratings Team has this to say about their recommendation:

"We rate GLU MOBILE INC (GLUU) a SELL. This is driven by multiple weaknesses, which we believe should have a greater impact than any strengths, and could make it more difficult for investors to achieve positive results compared to most of the stocks we cover. Among the areas we feel are negative, one of the most important has been unimpressive growth in net income over time."

You can view the full analysis from the report here: GLUU Ratings Report