SolarWinds Inc (NYSE:SWI), Galectin Therapeutics Inc. (NASDAQ:GALT) and Verisign, Inc. (NASDAQ:VRSN) are today’s top market gainers. Ending the day and week on a sour note are the day’s biggest losers, Informatica Corporation (NASDAQ:INFA), Maxim Integrated Products Inc. (NASDAQ:MXIM) and Pandora Media Inc (NYSE:P).

Pandora

SolarWinds Climbs Thanks to Positive Results

SolarWinds Inc (NYSE:SWI) climbed +11.96% today, rendering it this Friday’s top gainer. Billionaires Steve Mandel, George Soros and Ray Dalio initiated positions in the enterprise software company during the third quarter of 2013. Its price has climbed +17.05% year-to-date and got a boost following second quarter results this week.

Galectin Therapeutics Inc. (NASDAQ:GALT) ended the day up +11.66%. The Q1 George Soros acquisition has had a stellar 2014, its price rallying +215.23% YTD.

Taking the last spot on today’s list of gainers is Verisign, Inc. (NASDAQ:VRSN), the share price of which jumped +11.56%. The explanation: results. The Internet infrastructure company posted second quarter revenue of $250.3 million and net income at $100.1 million today. Warren Buffett initiated a position in VRSN in Q4 2012 and as of the first quarter of this year holds 11.7 million shares. Ray Dalio has invested in the firm as well.

Results Reports Spell Bad News for INFA, MXIM, Pandora

Informatica Corporation (NASDAQ:INFA) fell -12.25%, rendering it the day’s biggest loser. The company missed the mark on quarterly results and has had a tough 2014 overall, its price down -26.14% YTD. Julian Robertson, Ray Dalio and George Soros are feeling the effects of this one.

Maxim Integrated Products Inc. (NASDAQ:MXIM) ended the day with a -10.84% loss, a result of the fallout from its latest quarterly report. A Ray Dalio portfolio company, Maxim is still up +5.3% YTD.

Taking the third and final spot on today’s list of losers is Pandora Media Inc (NYSE:P), down -10.34%. The Internet radio company reported another profitless quarter this week, including a six-cent per-share loss (as opposed to the expected four cents). Billionaire hedge fund manager George Soros may regret re-initiating a position in Pandora during Q1 (he reported shares in Q2 and Q3 2014 but sold them off in Q4).