Genomic sequencing specialist Illumina (ILMN -5.26%) was something of a victim in the U.S.-China trade spat on Tuesday. The government of the sprawling Asian nation placed the U.S. company on a blacklist, and given the size and power of that economy, investors weren't happy about the news. They traded out of Illumina to leave it with a more than 5% price decline, on a day when the S&P 500 (^GSPC 0.72%) landed in positive territory with a 0.7% increase.Caught in the middleChina's "blacklist of entities" now ...