You love it and you hate it, you fear it but you can't say no. Black Friday is one of the biggest days for consumers in the American retail calendar, drawing millions into the dazzling shopping malls and box stores of America. Courtesy of our sister site WalletPop, here's your guide to the latest news and tips for the big day.

Financial markets are becoming increasingly schizophrenic, ruled by erratic ups and downs. It's at times like these when technical analysis can help investors manage the emotional roller coaster, which is why for chart watchers, the catchphrase of the next few months could be "mind the gaps."

Noted economist Gary Shilling just released a new book, The Age of Deleveraging, in which he explains why inflation isn't what investors should be fearing, but rather deflation. He also recommends 10 investments investors should now make. [Video]

Spreading at 12% a year across 17 Western state, this invasive species -- with its high silica content and spiky heads and seeds that cut animals' mouths -- forces livestock to go elsewhere to feed. That can raise costs for ranchers and result in skinnier cattle.