Interesting. I notice that stock tips seem to have surged up today. We'll see if this a Monday-only thing or if weekday spam is different from weekend spam.

Spam categories (107 total)
Free products 7 (28)
Stock tips 9 (14)
Mortgage/loans 5 (13)
Male performance 2 (12)
Low cost products 3 (11)
Porn 2 (8)
Casino/gambling 4 (6)
Meet women 1 (4)
Other self-improvement 0 (4)
Entirely blank 1 (3)
PayPal/eBay scams 1 (2)
419/money-based scams 0 (1)
Political spam 0 (1)

Sub-categories
Chinese 1 (3)
Spanish 1 (3)
Japanese 0 (2)
Undetermined Asian 1 (2)
Gender-inappropriate 0 (0)