Stocks wobbled in and out of positive territory today before ending slightly higher. By the closing bell, the Dow Jones Industrial Average (^DJI -0.98%) had gained 20 points, or 0.1% and the S&P 500 (^GSPC -0.46%) added 1 point, or 0.1%.

In economic news, consumer spending ticked up last month but trailed the 0.2% rise in discretionary income according to the latest official personal income statistics. Meanwhile, pending home sales hit their highest level in seven months, the National Association of Realtors said this morning. 

A few individual stocks made notable moves today, including GameStop (GME 2.56%) and Pandora (P).

GameStop's holiday quarter
GameStop shares swung from a 7% drop to a 2% increase on heavy trading volume before settling at a 2% decline after the specialty retailer announced steady fourth-quarter growth along with a weak outlook for 2016.

Comparable-store sales rose 3% as gains in its new business lines of cellular service, consumer electronics, and collectibles combined to offset a sharp decline in the traditional video game business. New software sales fell 10% to $1.1 billion and GameStop booked zero growth in its pre-owned games segment. 

On the plus side, profitability rose significantly over the holidays. In fact, gross margin improved to 30% of sales from 28% a year ago, which helped the retailer produce its highest annual earnings to date, despite the weakness in its core market.

CEO Paul Raines touted GameStop's diversification and profitability wins over the last twelve months. "These accomplishments drove record gross profit and net income, strong earnings-per-share growth and an increase in per store profits in our GameStop branded stores for the third straight year," he said in a press release.

The retailer's forecast calls for comps to tick lower in 2016 after rising by 4% last year, and the current quarter should be especially weak, management warned (comps will decline by as much as 7% in fiscal Q1). Yet GameStop sees profits continuing to tick higher as its new segments contribute more to the business. Net income is projected to rise 3% to roughly $415 million in 2016.

Pandora's new boss
Pandora fell 12% after the streaming radio specialist announced a big shakeup in its management ranks. Brian McAndrews, who served as CEO for the past two years, is leaving the company and being replaced by Pandora founder Tim Westergren. The company said Westergren has been "a strong and highly engaged leader throughout Pandora's history and has been deeply involved in the company's growth strategy and evolution."

Source: Pandora.

Investors were apparently concerned that the leadership shift adds uncertainty to the business as Pandora works to capitalize on the mobile advertising market while breaking into new segments like live music and international geographies. The company sought to soothe those fears, though, by stressing that the new CEO was "100% committed to Pandora's growth strategy." 

It's also likely that Wall Street sees the leadership change as a sign that perhaps the company may not be keen to be purchased by a larger tech rival any time soon. Pandora shares spiked higher just last week on rumors that it could be an acquisition target, which is possible, given its current growth struggles. However, with a new CEO at the helm, particularly the company's founder, it's less likely that Pandora will be looking for a new owner right now.