The statement is strongly supported by multiple high-authority and highly relevant sources. Three major financial news outlets—CNBC, Yahoo Finance, and Investor's Business Daily—explicitly state that the Dow Jones Industrial Average gained 1,000 points or more in a single day. The CNBC report is particularly specific, citing a gain of 1,044 points, which directly confirms the claim. This is further corroborated by two other sources describing the event as the Dow's largest single-day point gain in history, which is consistent with a move of this magnitude.There is one piece of conflicting evidence from Investopedia, which reports a gain of 750 points. While Investopedia is a reputable source, it stands alone against a consensus of other high-authority sources. Furthermore, several other provided sources are either irrelevant (discussing other market indexes or futures contracts) or neutral (lacking the specific historical data needed for verification).Given the overwhelming weight of consistent, direct, and credible evidence supporting the >1,000 point gain, the statement is assessed as likely true with high confidence. The single contradictory report is noted but is not sufficient to overturn the strong consensus from multiple primary financial news sources.