Qihoo (QIHU +3.4%), which has a giant share of the Chinese antivirus software market, is rallying, though it's worth noting several other Chinese tech companies are also doing well.
Previously, China's Public Security Ministry had warned Symantec's Data Loss Prevention software had security loopholes that could enable outside access. As in several other regions, NSA-related tensions have been running high in the Middle Kingdom. Local authorities have also launched an anti-monopoly probe against Microsoft.
The whole of Asia-Pac accounted for 17% of Symantec's FQ4 revenue. FQ1 results arrive on Wednesday.