Pick one wearables stock you would buy.Fitbit $FIT: faces operational cost growth as it expands globally. $FIT, Fitbit, Inc. / H1 $GRMN - Garmin GPS watches continue to resonate with consumers: $GRMN, Garmin Ltd. / H1 $HMI - makes Xiaomi wearables that look like Fitbits but cost 1/10 the cost (approx): $HMI, Huami Corporation American Depositary Shares, each representing four Class A Ordinary Shares / H1