Jed Nussbaum’s Nut Tree Capital is reopening its fund to outside investors.The New York distressed-debt manager stopped accepting contributions from new investors in February over concerns that assets under management were growing faster than the fund could profitably deploy fresh capital. But in a July 24 letter to limited partners, Nussbaum said Nut Tree Onshore Fund and Nut Tree Offshore Fund would admit newcomers again starting Oct....