Sign up for the new Inside Alts newsletter A version of this article first appeared in CNBC's Inside Wealth newsletter with Robert Frank, a weekly guide to the high-net-worth investor and consumer. Sign up to receive future editions, straight to your inbox. Deal-making may have rebounded on Wall Street , but investment firms of the ultra-wealthy are still moving cautiously. Family offices made 54 direct investments in September, down 46% on an annual basis, according to data provided