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By Zandi Shabalala and Ed Stoddard JOHANNESBURG (Reuters) - South Africa's National Union of Mineworkers (NUM) signed a wage deal with coal producers on Tuesday, ending a strike by the sector's biggest union that started over a week ago, workers and mining companies said. South Africa, the continent's most advanced economy, has been beset by power shortages, and relies heavily on coal for most of its electricity. All of us had to steer the ship through the rocky waters," said Peter Bailey, NUM's chief negotiator in the coal sector.
The layoffs, primarily in the company's product and engineering functions, come a week after Dorsey took over as permanent CEO. Shares of Twitter, which had about 4,100 employees globally as of June 30, rose as much as 6 percent in morning trading on Tuesday. "We feel strongly that engineering will move much faster with a smaller and nimbler team, while remaining the biggest percentage of our workforce," Dorsey said in a letter to employees.