ChampionX is a company that does things with oil and gas, and Schlumberger is another big company that works with oil and gas too. Schlumberger decided to buy ChampionX, so they are joining together. This made the people who own shares of ChampionX very happy, because now their shares are worth more money. Other companies also had good news or did well today, like Montrose Environmental Group, which helps keep the environment clean and safe. People who own shares of those other companies were also happy, so their shares went up in value too. Read from source...

1. The title is misleading as it implies that ChampionX and Montrose Environmental Group are the only big stocks moving higher on Tuesday, while in reality there are many other stocks mentioned in the article. A more accurate title would be "ChampionX, Montrose Environmental Group And Other Stocks Moving Higher On Tuesday".
2. The article starts with a statement about the Dow Jones falling around 400 points on Tuesday, which is irrelevant to the main topic of the article, as it does not explain how the stocks mentioned are performing in relation to the market downturn. A better introduction would be something like "Despite the negative sentiment in the market on Tuesday, several big stocks managed to post gains."
3. The article lacks any analysis or explanation of why the stocks mentioned are moving higher. It simply reports the price changes without providing any context or reasoning behind them. A more informative article would include some factors such as earnings reports, mergers and acquisitions, news events, or technical indicators that could justify the stock movements.
4. The article contains several grammatical errors and typos, which undermine its credibility and readability. For example, "TMC the metals company Inc." should be written as "TMC: The Metals Company Inc.", and "Yatsen Holding Limited rose 10% to $2.52." should be written as "Shares of Yatsen Holding Limited rose 10% to $2.52 on Tuesday."
5. The article ends abruptly with a sentence that is incomplete and does not provide any closure or conclusion. It leaves the reader wondering what happened to Montrose Environmental Group after it acquired Engineering & Technical Associates and raised its 2024 revenue guidance. A better ending would be something like "As a result of this acquisition, Montrose Environmental Group expects to increase its revenues and market share in 2024."