Trump currently leads by 700,000, but there are still 1.4 million mail-in and absentee votes to count. Here is Nate Cohn at The New York Times:
Joe Biden has won absentee ballots counted in Pennsylvania by an overwhelming margin so far, according to data from the Secretary of State early Wednesday. If he carried the remaining absentee ballots by a similar margin, he would win the state.
Read the rest here.