Deere stock has become too cheap to ignore.The industrial sector is up 14% over the last year -- slightly lagging the performance of the S&P 500, but still a solid gain. Despite being an industry leader in heavy equipment for agriculture, construction, and forestry, Deere (DE 0.20%) stock is down 20% over the last year and hovering around a three-year low.Here's why the dividend stock has sold off far enough and why it is worth buying and holding for the next five years. A textbook cyclical businessWhen you ...