FRANKFURT -The European Central Bank raised its key interest rate to a record high of 4 percent on Thursday but, with the euro zone economy in the doldrums, signaled this was likely to be its final move in a more-than year-long fight against inflation. The central bank for the 20 countries that share the euro also raised its forecasts for inflation, which it now expects to come down more slowly towards its 2 percent target over the next two years, while cutting those for economic growth. That illustrated the dilemma the ECB faced at the meeting: prices are still rising at more than twice its target rate but with high borrowing costs and a downturn in China, overall economic act...Keep on reading: ECB raises rates to record high, signals end to hikes