The provided sources, as described in their summaries, strongly and consistently support the statement. The assessment relies on the content described in the summaries, as the associated URLs and titles are often mismatched and irrelevant. Several summaries point to information from the most authoritative source possible: S&P Dow Jones Indices, the official manager of the S&P 500. One summary describes a "performance report from S&P Dow Jones Indices" that explicitly uses "historical market capitalization data," which would be the primary source needed to verify the specific "$2.1 trillion" increase. Another summary describes "Daily commentary from S&P Dow Jones Indices" as the most authoritative source for "analysis on the index's performance, including movements relative to past peaks," directly addressing the second part of the statement about surpassing a previous peak.Further corroboration is provided by descriptions of data from other top-tier financial information providers like Bloomberg, which are cited as having direct access to historical S&P 500 data. Additionally, summaries mention secondary sources that quote senior analysts from S&P Dow Jones Indices, which would provide expert confirmation of the reported performance.There is no conflicting information presented in any of the source summaries. The collective evidence, drawn from the descriptions of official reports, primary data providers, and expert commentary, overwhelmingly points to the statement being factual.