Needham software company PTC Inc. said Tuesday that it has agreed to acquire ColdLight, a Pennsylvania-based maker of software that uses analytics to evaluate data from connected devices, for approximately $105 million. PTC (Nasdaq: PTC) said the acquisition of ColdLight's automated predictive analytics software will bolster PTC's technology portfolio and extend PTC's venture into the Internet of Things market. ColdLight's software helps companies in various industries that include health care,...