Profit fell but sales rose in the second quarter of the year compared to the same period of the previous year for British pharmaceutical and biotechnology firm GSK plc. GSK plc reported on Wednesday that its second-quarter profit attributable to shareholders fell to £1.17 billion ($1.5 billion) from last year’s £1.62 billion. Earnings per share dropped 27% to 28.8 pence from 40.1 pence last year. The decline in profit primarily reflected higher charges for CCL remeasurements driven by improved longer-term HIV prospects and foreign currency movements. Core earnings were £1.77 billion or 43.4 pe…