NEW YORK :The U.S. technology and growth stocks known as the "Magnificent Seven" have regained their footing somewhat after a steep slide, but a few weeks of growing valuations and a dimming earnings edge could make it harder for them to push Wall Street higher. The stocks - Apple, Microsoft, Nvidia, Alphabet, Amazon, Meta Platforms and Tesla - have stumbled in 2025, dragging down the benchmark indexes they had lifted to record peaks the prior two years. The highly valued shares had swooned as