The fourth quarter earnings season kicked into high gear this week, with Big Tech results from Microsoft (MSFT), Meta (META), Tesla (TSLA), and Apple (AAPL) headlining the earnings calendar. If that rate holds, it would represent the 10th consecutive quarter of annual earnings growth for the index. S&P 500 earnings growth estimates. (Chart: FactSet)Heading into the reporting period, analysts were expecting an 8.3% jump in earnings per share, down from the third quarter's 13.6% earnings growth rate. Wall Street has raised its earnings expectations in recent months, especially for tech companies, which have driven earnings growth in recent quarters.