Stock market today: Dow, S&P 500, Nasdaq slide as 10-year Treasury yield, oil jump

The rise in Treasury yields combined with the upcoming inflation data casts uncertainty over the stock market outlook. The drop in major indices indicates a potential trend of increased market volatility as investors react to macroeconomic indicators and geopolitical tensions. Also, Alphabet's ruling may challenge its competitive position.

The surge in oil prices amidst looming geopolitical tensions suggests that energy stocks may perform well. Traders are anticipating significant movements based on developments in the Middle East, making oil stocks a potentially good investment in the short term.

Investor sentiment in tech stocks remains volatile following mixed performances. Nvidia gained significantly while others like Amazon fell, illustrating selective investment behavior. This highlights the potential for some tech stocks to rebound if their fundamentals hold up against broader market concerns.

The interest shown by Starboard Value in Pfizer may reshape investor sentiment positively, as activist investors often push for shareholder-friendly governance changes that could enhance value. Given the recent rise in Pfizer's stock and the upcoming earnings report, there is potential for further upside.