Nasdaq, S&P 500 Log New Peaks as Micron Drives Tech Rally

Kioxia plans new U.S. listing in spring of 2027

ARS Pharmaceuticals plunges 23% as neffy fails to secure insurance coverage

Wall Street is coalescing on a single S&P 500 target. The power of round numbers is irresistible.

Retail investors have suddenly got more cautious in using options and margins. That may spell trouble for tech, says JPMorgan.