11. On Europe, the prime minister said there are several positive and negative factors . 12. May be vulnerable to future events, but qualifying negative factors are considered manageable. 13. Of course, bad local weather conditions could be a negative factor . 14. Unless you are on contact guard, negative factors can slip into your perspective. 15. Another negative factor is the quality of upcoming third-quarter earnings reports, analysts said. 16. The dollar's retreat against the yen also remained a negative factor for investors. 17. He added, however, that overcapacity in the industry is still a negative factor . 18. To be sure, foreign investors see negative factors that could bring down stocks. 19. Concerning negative factors , the agency said Japan's labor situation remains severe. 20. Still, any number of negative factors could also slow any rally.