Private-debt investor Solar Capital is marketing a fund that would buy and originate loans to highly leveraged mid-size businesses.The New York firm, led by one-time Apollo Global partner Michael Gross and former CIBC executive Bruce Spohler, is seeking to raise $750 million for the drawdown-style vehicle, SCP Private Corporate Lending Fund. Placement agent Park Hill Group is overseeing the fund-raising effort, with plans for a first equity close...