China may have run a small-scale test of the "nuclear option" in its trade war with the US. The Asian nation sold $20 billion worth of US Treasurys in March, possibly foreshadowing a total offloading of American government bonds that would plunge global markets into chaos. China is the biggest foreign holder of US government debt, with more than $1.2 trillion in Treasurys, or about 7% of the entire market. The latest sale represents its largest disposal in over two years, according to the Financial Times. While the world's second-largest economy occasionally sells US Treasurys to replenish its reserves or support ... (full story)