Silicon Valley giants and at least one iconic Detroit auto manufacturer are gearing up for a corporate homecoming—or so they say.According to Charles Schwab Chief Investment Strategist Liz Ann Sonders, citing Bloomberg data, talk of "reshoring" among S&P 500 and Russell 3000 companies is hitting “unprecedented” levels.See Also: Trump’s ‘Big Beautiful Bill’ Advances: Here’s Who Wins And LosesAppleApple Inc AAPL plans to spend $500 billion on U.S. manufacturing and infrastructure. But the iPhone maker has tri ...