Global stocks climb on China tariffs cuts, US jobs data, and Wuhan coronavirus vaccine hopes

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· *Stocks jumped on Thursday thanks to a raft of positive news.*
· *Chinese officials will halve duties on $75 billion worth of US goods starting on Valentine's Day.*
· *ADP data showed the US economy added 291,000 jobs in January, the most since May 2015.*
· *Human trials have begun for Gilead Sciences' experimental...