Eric Cantor, a Republican from Virginia

Eric Cantor, a Republican from Virginia

Andrew Harrer/Bloomberg

While the companies, which use high-powered computers to execute thousands of trades in milliseconds, aren’t approaching the big banks in Washington spending, they have more than quadrupled their political giving over the last four years, a Bloomberg News analysis shows, the top recipients include Eric Cantor, set to become House majority leader, and several incoming senators who won in last week’s Republican rout. incoming senators who won in last week’s Republican rout. Photographer: Andrew Harrer/Bloomberg