This article talks about some companies that help people with money. But these companies might have some problems and lose money soon, which can make other people's money go down too if they are invested in them. The three companies mentioned are Barclays, American Express, and another one is not named here. Read from source...

- The title is misleading and sensationalist. It implies that there are three definitive stocks that will sink your portfolio this quarter, but it does not provide any evidence or reasoning to support this claim. A more accurate title would be "Top 3 Financial Stocks That Could Underperform This Quarter" or "Top 3 Financial Stocks That Investors Should Be Cautious Of".
- The article is written in an informal and casual tone, which does not match the seriousness of the topic. It uses slang terms like "sink your portfolio", "flashing a real warning", and "value" instead of "valuable". This detracts from the credibility and professionalism of the article.
- The article focuses too much on the negative aspects of the three stocks, without providing any balanced or constructive analysis. It does not mention any positive attributes, strengths, opportunities, or potential for growth. It also does not compare these stocks to their peers or the overall market performance. This creates a biased and one-sided perspective that may mislead readers into making hasty decisions based on fear and doubt.
- The article relies heavily on external sources and opinions, without acknowledging them properly or providing any context. It cites "analyst color", "trade ideas", "insider trades", and "unusual options activity" as evidence of the stocks being risky, but it does not explain what these terms mean, how they are relevant, or who is behind them. It also does not provide any links to the original sources, so readers cannot verify the accuracy or reliability of the information.
- The article ends with a call to action that is irrelevant and inappropriate for the content. It urges readers to "make a comment" at the bottom of the page, which has no clear purpose or benefit for them. It also uses an imperative verb ("make") that implies pressure and urgency, which may manipulate readers into taking action without thinking critically.

- Barclays (NYSE:BCS): BCS is a British multinational investment bank that offers a wide range of financial services, including retail banking, credit cards, wealth management, and investment banking. The main risk for BCS is its exposure to the European market, which has been suffering from the economic fallout of the COVID-19 pandemic and Brexit uncertainty. Additionally, BCS faces regulatory scrutiny over its past misconduct in the foreign exchange and interest rate markets. Therefore, I recommend selling BCS shares before they lose more value due to these headwinds.