Zacks explores why strong earnings beyond big tech may ease concerns about concentrated market gains and reinforce the value of diversification.

Higher bond yields have raised concerns about borrowing costs and stock prices. Yet major U.S. stock indices remain near all-time highs. What could explain this, and what should investors watch next?

With so much attention focused on crude oil and gasoline prices, the financial media—and by extension, many investors—may be overlooking another energy cost with even broader economic reach: diesel prices.