GoPro under intense pressure from rising costs and competition

For nearly 25 years, GoPro cameras have gone underwater, glided with parachutes and slipped down ski slopes, enabling the adventurous to record images of their experiences. But the San Mateo, Calif.-based company now faces a battle for survival amid intensifying competition, questionable demand for electronics and rising materials costs. Its plight is spelled out in securities filings containing cryptic language. …