BY THE NUMBERS

U.S. stock futures were flat Wednesday after Wall Street snapped its five-session winning streak and a run of record-high closes for the Dow, S&P 500 and Nasdaq. The Fed ends its two-day July meeting Wednesday, with a policy statement at 2 p.m. ET and Fed Chairman Jerome Powell's news conference at 2:30 p.m. ET. Investors also get a flood of earnings to sift through, including Big Tech numbers from after the bell Tuesday. Facebook reports earnings after the bell Wednesday. (CNBC)

* Mortgage rates just dropped to a six-month low, and refinances shoot higher (CNBC)

IN THE NEWS TODAY

Pfizer (PFE) is raising its 2021 sales forecast for its Covid vaccine by nearly 29% to $33.5 billion, as the delta variant spreads and scientists debate whether people need booster shots. In releasing better-than-expected quarterly earnings and revenue, Pfizer also said Wednesday it sold $7.8 billion in Covid shots in the second quarter. Pfizer fell roughly 1% in premarket trading. (CNBC)

* Biden says Covid vaccine mandate for all federal employees under consideration (CNBC)