By Dan Weil The risk of a war between China and Taiwan threatens U.S. stocks much more than the war in Ukraine, BofA said. There is plenty to worry about if you’re investing in China — from deteriorating relations with the U.S., to supply-chain turmoil, to slowing economic growth. Bank of America strategists raise another point. “Russia’s invasion of Ukraine may have increased the risk of a potential China-Taiwan conflict,” they wrote in a commentary. “China-Taiwan poses a much bigger threat to the S&P 500 and global economy, given Taiwan’s role in supplying over 90% of the world’s advanced s…