An encouraging quarterly earnings report was dampened by a new demand from President Trump. Shares of AbbVie (ABBV -0.24%) were bouncing along merrily for most of Thursday's trading session, until news of a fresh demand from the White House quashed the rally. Initially, the market was cheered by better- than-expected quarterly results published by the company that morning. Ultimately AbbVie's stock closed down slightly lower in price, roughly mirroring the trajectory of the S&P 500 index. Second-quarter ris ...