NEW YORK (TheStreet) -- GoPro (GPRO) - Get GoPro, Inc. Class A Report surged after the high-adventure video camera maker beat first-quarter earnings and revenue estimates and issued a higher-than-expected second-quarter forecast. Twitter (TWTR) - Get Twitter, Inc. Report, meanwhile, tanked as a number of analysts downgraded the company and issued price cuts. GrubHub (GRUB) - Get Grubhub, Inc. Report also fell sharply after it missed first-quarter estimates but raised its second-quarter forecast.

GoPro spiked 12.6% to close at $52.96.

The high-adventure video camera maker got a boost after posting first-quarter adjusted net income of 24 cents a share on revenue of $363.1 million. That beat analysts estimates of net income of 18 cents a share on revenue of $341 million.

GoPro also issued a second-quarter forecast of net earnings in the range of 24 cents to 26 cents a share, with expectations of revenue between $380 million to $400 million. The forecast was higher than the 17 cents a share in net earnings and $341.67 million in revenue that Wall Street had expected. 

Raymond James upgraded the stock to outperform from market perform, according to a MarketWatchreport. In the Raymond James analyst note cited by MarketWatch, the analysts said, "We now expect 25% earnings per share growth to persist through at least 2016 as the product line broadens and the GoPro ecosystem grows."

Twitter plunged 8.9% to end the session at $38.49.

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It marked a second day of steep losses for the social media company, after it reported missed its first-quarter revenue expectations and lowered its forecast for current quarter. 

Twitter received roughly a half dozen downgrades and price cuts, according to an Investor's Business Dailyreport. Rosenblatt Securities, in a research note cited by Investor's Business Daily, downgraded Twitter to neutral from buy and cut its price target to $42 from $60. The analyst stated: "The key reasons for our rating downgrade on the stock include user growth (being) lackluster at best in the near term. A lack of 'usage' metrics...suggests audience growth issues and advertising demand uncertainty."

Twitter executives described the shortfall in results and lower than expected usage figures as temporary problems that should be resolved by the second half of the year, according to a Wall Street Journalreport. Twitter attributed its disappointing financial results to weaker than expected demand for its direct response advertising products, the Journal noted.

GrubHub tanked 9.8% to finish the day at $40.85.

The online takeout and delivery food ordering site missed analysts' first-quarter estimates. The company reported net earnings of 12 cents a share on revenue of $88.2 million. Wall Street had expected earnings of 14 cents a share on revenue of $85.44 million.

For the second quarter, GrubHub forecast lower-than-expected adjusted earnings of $23 million to $25 million, below analysts expectations of $25.3 million, according to an Investor's Business Dailyreport.

This article is commentary by an independent contributor. At the time of publication, the author held no positions in the stocks mentioned.