“Committee participants want to make sure that we have the flexibility — that the committee has the flexibility to respond to unfolding developments,” Fed Chair Janet Yellen said primly at her press conference this past Wednesday. Above all, Yellen argued, the Fed doesn’t want to be “locked into” any kind of forward guidance outlook. No shocker there — this is the stock market, where if you’re not being greedy, you’re cowering in fear — but the amount of greed in riskier parts of the market, like fledgling biotech and technology companies, has risen to new highs.