The NASDAQ-100 is widely followed as a measure mainly of the big tech and social media stocks that make up the index.

DeepSeek's rise could challenge the sustainability of Big Tech earnings growth, a key pillar of the bull market rally.

Palantir Technologies (NASDAQ: PLTR ... the company's remaining deal value of $3.4 billion in Q1 2023, which was down from $3.5 billion in the year-ago period. Palantir points out that the ...