The subpoena is the second that federal prosecutors have served on the investor, who also served as an unpaid adviser to the Trump administration.
Plus, tax season brings bad news, and the Fed offers more clues about its change of heart.
The president has often taken to Twitter to criticize companies, but investors don’t appear to be taking the attacks too seriously.
After Trump's former personal attorney Michael Cohen pleaded guilty to illegal campaign contributions, the president said Cohen’s actions are not campaign violations.
Corporate boards could authorize companies to purchase $1 trillion of their own stock this year.
Since the 1970s, the market has changed radically. It has fewer companies, and just 200 account for all of the profit in the entire stock market.
A closer look at the S.&P. 500 suggests that trade tensions are holding investors back.
The iPhone maker has repurchased almost $220 billion of its own stock since March 2012 — more than any other company.
A fall in monthly active users overshadowed revenues that exceeded analysts’ expectations.
The video streaming giant’s stock plunged after its subscriber growth fell short.