UPDATE: Rio Tinto Posts Surge In H1 Earnings, Shares Gain By: Benzinga via Benzinga August 07, 2014 at 06:30 AM EDT Rio Tinto PLC (NYSE: RIO) reported a strong rise in its first-half profit. The company's net profit for the period jumped to US$4.4 ... Read More >> Related Stocks: Rio Tinto Plc ADR