SHENZHEN Konka Electronic Group nearly doubled its after-tax profit to 86.66 million yuan (about HK$116 million at the official rate) for the six months to June, compared with 43.35 million yuan previously. Earnings per share rose 48.1 per cent to 46.2 fen from 31.2 fen. No interim dividend was declared. Turnover for the period jumped 95 per cent to 1.02 billion yuan. Hong Kong-listed Kong Wah International has a 34.83 per cent stake in Shenzhen Konka.