One fast-growing digital health stock just secured a notable new backer—right as its financial momentum hits a fresh gear.Connecticut-based fund Braidwell initiated a new stake in Hinge Health (HNGE 1.16%), adding 910,476 shares during the third quarter, an estimated $44.7 million position, according to a November 14 SEC filing.What HappenedAccording to a Securities and Exchange Commission (SEC) filing published November 14, Braidwell established a new position in Hinge Health (HNGE 1.16%), acquiring 910,47 ...