JD Vance will appear in Pennsylvania to promote what he calls Trump's economic success as the White House escalates an affordability campaign amid persistent reports of rising housing and grocery costs and weak public confidence in economic leadership.Officials point to a rising stock market, new private investment commitments and wages growing faster than inflation, while analysts caution that upcoming Labor Department employment and inflation releases may be unreliable after a government shutdown, and Federal Reserve chair Jerome Powell has warned the government may be "dramatically overestimating recent hiring."