Bloomberg Toshiba Corp. jumped the most on record on optimism the company will be able sell its memory chip division and survive the crisis caused by a writedown at its nuclear business. Shares soared 22 percent, the most on record, according to data compiled by Bloomberg going back to 1974. Volume on Wednesday was three times the 30-day average. …

  Bloomberg The hints of a pipeline spill are subtle: the hiss of rushing fluid, a streak of rainbow sheen. Tucked far below ground, a ruptured line can escape notice for days or even weeks, especially in the backcountry, where inspectors rarely venture. Regulators in the waning hours of the Obama era wrote rules aimed at changing that, and the …

  Bloomberg UK Prime Minister Theresa May came under pressure to tighten takeover rules, and do so quickly, in the wake of the failed Kraft Heinz Co. bid for Unilever Plc. “I use the expression sitting ducks, and I’d worry about who’s next,” Vince Cable, Business Secretary until 2015, said in an interview. “We have very weak takeover code in …