https://www.reuters.com/article/us-toshiba-results/chip-boom-drives-toshiba-profit-surge-raises-questions-about-future-earnings-idUSKBN1D90G1 >Japan's Toshiba Corp reported a 76 percent jump in second-quarter operating profit on Thursday, driven almost entirely by a strong performance from its memory chip unit which it recently agreed to sell for $18 billion.