Jerome Powell pushed back against inflation worries and remained sanguine about the recent jump in Treasury yields despite a bit of divergence from his colleagues about an eventual hike. "We're not going to act pre-emptively based on forecasts," the Fed chairman said after keeping policy on hold. The dot plot still signals that rates will stay put through 2023, but seven of 18 officials predicted higher rates by then, compared with five of 17 in December.