Goldman Sachs’ fourth-quarter profit beat Wall Street expectations on Thursday, fueled by a surge in dealmaking and stronger trading revenues in a turbulent market. The bank’s equity traders capitalized on volatility and a broader rally in the US market as investors speculated on the Federal Reserve’s interest-rate path and the prospects for AI companies. Goldman’s equity revenue rose to a record $4.31 billion, ‌up from $3.45 billion a year ago, while trading revenue for fixed income,