Shares of Pacific Biosciences of California (NASDAQ: PACB), a genetic-sequencing system manufacturer, rose 11% on Thursday and continued their climb into Friday's session. Investors appear pleased with new productivity-boosting tools to be featured at this week's meeting of the American Society for Microbiology.Pacific Biosciences' single-molecule DNA-reading system is widely considered more accurate than more popular methods that splice together data from thousands of copies.