https://www.reuters.com/article/us-usa-trade-wearables/u-s-to-probe-fitbit-garmin-other-wearable-devices-after-philips-complains-idUSKBN1Z91YE >U.S. trade regulators said on Friday they will investigate wearable monitoring devices, including those made by Fitbit Inc and Garmin Ltd, following allegations of patent violations by rival Koninklijke Philips and its North America unit.