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Among the 500 firms, 431 reported R&D data. Their combined R&D spending totaled 1.08 trillion yuan, with the ratio of R&D expenditure to operating revenues rising to a historic high of 1.61 percent.

Amit Agarwal — SVP and country manager, Amazon India

Amid escalating tensions on the Korean Peninsula, the Democratic People's Republic of Korea on Tuesday blew up its joint liaison office with the Republic of Korea near the border town of Kaesong, bringing more uncertainties to the already deadlocked inter-Korean diplomacy.

Among the highlights are tomb guardian figures from the Tang Dynasty (618-907), several 2,500-year-old ritual bronzes, a Ming Dynasty blue-and-white tankard and a booby-trapped Tantalus Cup that pours liquid onto its user from a hole in the bottom once the vessel is filled to the brim.   

Amid this promise, however, the rapid pace and significant scale of change resulting from ever smarter AI systems and increasingly pervasive human/machine interactions are also giving rise to markedly differing concerns among business leaders and consumers, said Wilson Chow, a leader on the technology, media and telecommunications of PwC.