TradingKey - For long-term investors in U.S. stocks, both the S&P 500 and the Nasdaq 100 cover large U.S. companies such as Apple (AAPL), Microsoft (AMZN), and Nvidia (NVDA). However, there are clear differences in sector allocation, long-term returns, and risk profiles—so which of these two indices is the better investment?

TradingKey - Following the announcement of the Federal Reserve's September interest rate decision, US stocks fell in response. So why do Fed rate hikes lead to a decline in US equities?

Amazon’s reported $8 billion chip-financing plan puts AI spending in focus. Explore AMZN’s latest news, AWS growth, fundamentals and technical levels.

TradingKey - Costco stock rebounded after Q4 earnings. Examine comparable sales, membership growth, tariff refunds, valuation and what to watch next.

TradingKey - In the past, consumers typically had to visit Amazon or brand websites to search for products, compare prices, read reviews, and complete payments. Today, AI agents can first understand user needs, then proactively search for products, compare options, and even complete checkout and follow-up tasks. As a result, e-commerce may see a shift in entry points.

Costco reports fiscal Q4 results Thursday after already disclosing $93.9B in net sales, putting membership growth, margins and EPS in focus.
