Citigroup (NYSE:C) stock gained 5.6% in Wednesday premarket trading after the megabank posted better-than-expected Q4 results and approved a $20B stock buyback program. Furthermore, the company expects its net interest income to rise in 2025.

Citigroup stock is soaring Wednesday after the big bank topped earnings expectations and unveiled a massive stock buyback program. Here's why that's important.

Citigroup reported earnings of $1.34 per share for the fourth quarter, surpassing Wall Street estimates of $1.22. A year ago, the bank posted a loss of $1.16 a share. Shares rose 3.6% in premarket trading.

Citigroup (C) reported fourth-quarter results that exceeded expectations, sending shares higher in pre-market trading Wednesday. Citi's net income for the fourth quarter was $2.86 billion, up from a loss of $1.

Growth in investment banking and equity markets revenue helped drive a better-than-expected report for Citi in the third quarter, and those could be sources of strength again in the fourth quarter. Citi's stock was a strong performer in 2024,

Citigroup on Wednesday reported stronger-than-expected fourth-quarter profit and revenue, while authorizing a $20 billion share buyback program, sending its shares by more than 2% before the bell. The bank posted a net income of $2.