GameStop, CME Group and two other stocks that people who work there are selling. This means they think the prices will go down and they want to make some money now. GameStop is a store where you can buy video games and electronics. CME Group is a place where people trade things like money, oil, metals and other stuff. The article says that CME Group had a very good month in May because many people traded there. Read from source...

1. The title is misleading and clickbait, implying that insiders are selling because they know something negative about the stocks, when in fact insider trading can have many other reasons and motivations. A more accurate title would be "Insider Trades of GameStop, CME Group And 2 Other Stocks: What Does It Mean For Investors?"
2. The article lacks a clear structure and coherence, jumping from one stock to another without providing any context or connection between them. A better approach would be to group the stocks by sector, industry, or theme, and explain how they relate to each other and the broader market trends.
3. The article relies heavily on outdated data and sources, such as Benzinga Research, which is not a reputable or credible source of financial analysis. A more thorough and up-to-date research would require consulting multiple sources, such as SEC filings, earnings reports, analyst ratings, news articles, and social media sentiment.
4. The article fails to disclose any potential conflicts of interest or biases that may influence the author's perspective or recommendations. For example, the author may have a personal stake in one of the stocks, or receive compensation from a third party for promoting or disparaging them. A more ethical and transparent approach would be to declare any potential conflicts of interest, and cite objective and verifiable data to support the claims and arguments.