VCG via Getty ImagesChina's economic growth picked up in the three months to the end of September, rebounding from a three-year low as the artificial intelligence (AI) boom helped boost exports.The world's second largest economy grew by 4.5% in the third quarter, up from 4.3% in the previous period but below the 5% expansion recorded from January to March, according to official Chinese data.The latest figure is at the bottom end of Beijing's annual growth target of 4.5%-5%, which analysts have s...