Wall St Week Ahead: Earnings season to test hopes for broader stocks rally

The S&P 500 has rallied 16% so far in 2024, driven by a handful of massive stocks poised to benefit from emerging artificial intelligence technology. Only 24% of stocks in the S&P 500 outperformed the index in the first half, the third-narrowest six-month period since 1986, according to BofA Global Research strategists.