Apple $AAPL has been actively buying back its stock, with a total of $429.5 billion worth of buybacks between 2019 and 2023. Meanwhile, S&P 500 companies bought back $795.2 billion worth of stock in 2023, showing a 13.8% decrease from the previous year. In Q4 2023, S&P 500 stocks bought back $219.1 billion worth of stock, marking an 18% increase from Q3 and a 3.7% increase from Q4 2022. The buybacks have impacted earnings per share negatively for the fifth consecutive quarter, with a reduction of 0.44% in Q4 operating earnings and 0.40% in 2023.