GoPro Inc (NASDAQ:GPRO) shares increased 2.23% in pre-market trading to $59.70 after the company divulged its plans to develop its own drone, and then revealed a brand new wearable camera. According to TipRanks.com, the 12-month consensus target price on the stock is $70.00, showing a 19.86% upside based on the current stock trading price. Out of 27 analysts who cover GoPro stock, 10 gave it a Buy rating, and 5 recommended a Hold.

Ambraella Inc (NASDAQ:AMBA) shares increased 2.97% to $94.95 in pre-market trading after the company announced its financial results for its first fiscal quarter ended April 30, 2015. The company had a strong first quarter with revenue up 73.5 percent from last year. Also, the company saw increased activity across a range of home monitoring cameras. According to TipRanks, six analysts have a Buy rating on the stock and 2 have a Hold rating.

Agenus Inc (NASDAQ:AGEN) shares increased 6.29% in pre-market trading to $8.45 after the biopharmaceutical company announced that Merck has decided to collaborative with AGEN for research to work toward the discovery and development of therapeutic antibodies for the treatment of cancer. According to TipRanks, the 12-month consensus target price on the stock is $9.00, showing a 13.21% upside based on the current stock trading price. 1 Analyst has a Buy rating on the stock and none have a Hold or Sell rating.

Heron Therapeutics Inc (NASDAQ:HRTX) shares increased 5.65% to $24.50 after the company experienced unusually high volume over the course of the day on June 2nd. According to TipRanks, 1 Analyst has a Buy rating on the stock and none have a Hold or Sell.