U.S. stocks surged at Wednesday's open after election results showed Democrats had taken control of the House and Senate, with the Dow up 1,009 points, or 1.9%. [S2][S4]

Verification result: verified, because the contradicted material weight is 0 out of 300 and at least two independent reporting families directly support the central claim. [S1][S2]

Democrats' victory ended Republican control of both chambers and put the party in a stronger position to challenge Trump's agenda. [S1][S2][S5]

Democrats had secured at least 54 Senate seats after seven flips, while Alaska and Mississippi remained unresolved Wednesday morning. [S2][S3]

The differing House figures describe different stages rather than a validated conflict: The Guardian reported 228 seats secured, while CNBC projected at least 250. [S1][S2]

CNBC said the new majority would gain subpoena power for congressional investigations and could examine financial benefits involving Trump, his family and political allies. [S1]

The election picture remained incomplete because some Senate contests were uncalled and the reported House totals were not final. [S1][S2][S3]