A U.S. judge declared a mistrial in a trade secrets lawsuit between Apple and Masimo after jurors could not agree on a verdict. The case centered on whether Apple stole confidential information from Masimo related to the use of light to measure biomarkers. Apple Watch Series 6 and later models feature a Blood Oxygen sensor and app to conveniently measure the oxygen saturation of blood so users can better understand their overall fitness and wellness. The jury deliberated for three days before announcing that they were unable to reach a unanimous verdict. Reuters: The jury in federal court in Santa Ana had been asked to determine whether Cupertino, California-based Apple misused confidential information from Masimo related to the use of…