Penny Phillips re-platforms at skyrocketing, $25 billion, six-month startup, Hightower Signature, after $353 billion Hightower mothership acquired her firm in M&A spree RIABizHightower buys $5bn Journey Strategic Wealth for new Signature Wealth business CitywireHightower’s “Signature” Division Grows With $5 Billion Firm Family Wealth ReportHightower Buys $5 Billion RIA, Expands Employee Advisor Unit Barron’sHightower Advisors to Acquire $5B Journey Strategic Wealth connectmoney.com