By Jamie McGeever

ORLANDO, Florida, Dec 11 (Reuters) – Wall Street was mostly higher on Thursday – the Dow and Russell 2000 indices hit new highs but the Nasdaq fell – while shock U.S. jobless claims figures rekindled concern over the labor market and dragged the dollar and Treasury yields lower.

More on that below. In my column today, I look at how Fed Chair Jerome Powell hopes to thread the needle between strong growth and benign inflation – high productivity.

If you have more time to read, here are a few articles I recommend to help you make sense of what happened in markets today.

Today’s Key Market Moves

Today’s Talking Points

* QE or not QE, that is the question

The Fed’s decision to buy $40 billion of T-bills a month – a surprise to many, but not regular readers here – is to

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