From Crain's Detroit Business: Executives from a Detroit private equity firm backed by mortgage mogul and Cavaliers owner Dan Gilbert have closed on a second fund of nearly $350 million as they seek to continue capitalizing on a strong market for acquisitions. Rockbridge Growth Equity Management LP closed on the final $200 million for its RB Equity Fund II LP and the affiliated RB Equity Fund II-A. The fund launched in 2019 and has been used to make investments in four companies, including one from Cleveland.