The National Gallery approved pharmacy Those movements have been large. At the close of the Federal Open Market Committee meeting, stocks began to plummet, in part on Fed Chairman Ben Bernanke's statements at a post-meeting press conference that the Fed might yet this year start to taper its $85 billion monthly asset buys. On Thursday, the day after the meeting, the S&P 500 and Dow Jones Industrial Average alike posted their largest one-day drops since 2011. Meanwhile, yields on the 10-year treasury spiked, from around 2.2 percent at the start of last week to 2.6 percent at the start of this week.