Stock picking is risky to begin with. But even when you're right—when you've invested in a great and growing company—emotional decision-making can get the best of you.
Here's the pattern: people tend to buy after prices rise (when it feels safe) and sell after prices fall (when it feels scary). This leads to costly mistakes. The average investor actually makes less than the very investments they put money into, because they get tricked into bad timing.
Your hunch will disappoint you. Disciplined rule-based strategies will deliver over the long term.
Nvidia reported $96.2 billion in quarterly revenue, up 106% from a year earlier, and its shares became the strongest force lifting the market on Thursday, August 27. The NasdaqGlossary: An index of every common stock listed on the Nasdaq exchange, around 3,000 of them, weighted by how much each is worth. It leans hard toward technology, so it runs further than the S&P 500 in both directions. gained 1.6% and the S&P 500Glossary: An index of 500 large US companies, weighted by how much each is worth. When someone says “the market” without naming anything, this is usually what they mean. rose 0.7%, while the DowGlossary: An index of 30 large, well-known US companies. Unlike most indexes it is weighted by share price rather than company size. added 0.2% and the Russell 2000Glossary: An index of about 2,000 smaller US companies. Smaller firms borrow at floating rates more often, so this index reacts quickly when interest rates move. gained 0.3%. Yet most stocks inside the S&P 500 fell that day.
That is the difference between an index move and a broad market move. The S&P 500 gives its largest companies the greatest weight, so one enormous stock can pull the index higher even when a majority of its members decline. The index accurately measured what it was designed to measure; it simply did not say that every corner of the market was participating.
Stocks rebounded on Friday, August 21, even as the bond marketGlossary: A loan you make to a government or company. It pays interest on a set schedule and returns the amount you lent when it matures. When interest rates rise, existing bonds lose value. stayed unsettled. The S&P 500Glossary: An index of 500 large US companies, weighted by how much each is worth. When someone says “the market” without naming anything, this is usually what they mean. and NasdaqGlossary: An index of every common stock listed on the Nasdaq exchange, around 3,000 of them, weighted by how much each is worth. It leans hard toward technology, so it runs further than the S&P 500 in both directions. each gained 0.4%, the DowGlossary: An index of 30 large, well-known US companies. Unlike most indexes it is weighted by share price rather than company size. rose 1%, and the Russell 2000Glossary: An index of about 2,000 smaller US companies. Smaller firms borrow at floating rates more often, so this index reacts quickly when interest rates move. added 0.9%. A separate business survey showed the S&P Global U.S. Composite Output Index rising to 56.0 in August from 54.5 in July, its fastest growth reading since April 2022.
The evidence pointed in two directions at once. Faster business activity can support company profits, but it can also keep inflationGlossary: A general rise in prices over time that shrinks what each dollar buys. The Federal Reserve aims for about 2% a year. and interest-rateGlossary: The price of borrowing money, shown as a yearly percentage of the amount borrowed. Savers earn it and borrowers pay it; the Federal Reserve’s decisions push short-term rates up or down. questions alive. The major indexes recovered part of the week's losses, yet all four still finished the week lower. The useful research conclusion was not that growth had won or bonds had lost; it was that both signals remained active.
Walmart reported 5.9% revenue growth and a 28.8% increase in operating income for its fiscal second quarter on Thursday, August 20. It also raised its full-year sales and operating-income outlook. The stock still fell 9.2%, its worst loss in four years, while the S&P 500Glossary: An index of 500 large US companies, weighted by how much each is worth. When someone says “the market” without naming anything, this is usually what they mean. dropped 0.9%, the DowGlossary: An index of 30 large, well-known US companies. Unlike most indexes it is weighted by share price rather than company size. fell 1.3%, and the NasdaqGlossary: An index of every common stock listed on the Nasdaq exchange, around 3,000 of them, weighted by how much each is worth. It leans hard toward technology, so it runs further than the S&P 500 in both directions. lost 1%.
This is what investors mean when they say a result can be good without being good enough. A stock price reflects expectations about the future, not just the quarter that already happened, and the market was weighing Walmart's next-quarter profit outlook alongside a broader rise in oil prices and Treasury yieldsGlossary: Bonds issued by the US government: bills (a year or less), notes (2 to 10 years) and bonds (20 to 30 years). They are treated as the safest dollar investment.. Strong company numbers and a falling stock were not contradictory; they were answers to different questions.
U.S. retail and food-services sales fell 0.6% in July from June, according to data released Friday, August 14, though sales were still 5% higher than a year earlier. The market did not move in one direction. The S&P 500Glossary: An index of 500 large US companies, weighted by how much each is worth. When someone says “the market” without naming anything, this is usually what they mean. and DowGlossary: An index of 30 large, well-known US companies. Unlike most indexes it is weighted by share price rather than company size. each slipped 0.2%, the NasdaqGlossary: An index of every common stock listed on the Nasdaq exchange, around 3,000 of them, weighted by how much each is worth. It leans hard toward technology, so it runs further than the S&P 500 in both directions. fell 0.3%, but the Russell 2000Glossary: An index of about 2,000 smaller US companies. Smaller firms borrow at floating rates more often, so this index reacts quickly when interest rates move. index of smaller companies gained 0.5%.
That split is a useful reminder that an economic report does not carry one automatic message for every investment. Weaker spending can raise concerns about growth while also changing expectations for interest ratesGlossary: The price of borrowing money, shown as a yearly percentage of the amount borrowed. Savers earn it and borrowers pay it; the Federal Reserve’s decisions push short-term rates up or down., and different groups of companies react to those tradeoffs differently. The report was one piece of evidence; the uneven market response was the clue not to turn it into a complete story.
