KEY POINTS
  • The wealth of the top 1% hit a record $44.6 trillion at the end of the fourth quarter.
  • All of the gains came from stock holdings thanks to an end-of-year rally.
  • Economists say the rising stock market is giving an added boost to consumer spending through what is known as the "wealth effect."

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.

The wealth of the top 1% hit a record $44.6 trillion at the end of the fourth quarter, as an end-of-year stock rally lifted their portfolios, according to new data from the Federal Reserve.